A group of researchers are studying stem length inheritance in the garden pea plant (Pisum sativum). They obtain a tall pea plant of unknown ancestry, allow it to self-pollinate, and collect 80 of its seeds. After planting the seeds, they observe the growth of 61 tall plants and 19 dwarf plants. Which of the following best explains the stem lengths seen in the offspring?
A. Stem length is inherited through incomplete dominance.
B. Dwarf stem length is a recessive trait.
C. Stem length is a sex-linked trait.
D. The tall plants likely received more nutrition than the dwarf plants.

Answers

Answer 1

Answer:

The answer is B

Explanation:

just cause lol

Answer 2

The study of a living being is called biology.

The correct answer is B.

The characters in the plant are controlled by the genes which are present on the chromosome. The genes are always present in pairs and a single gene is known as an allele. The alleles are as follows:-

DominantRecessive.

According to the question, most of the offspring are tall in height due to the dominant allele while the number of the dwarf plant is less as this character is shown by the recessive genes.

The dominant plant suppresses the character of a recessive gene and hence the number of the dominant plant is always more.

Hence, the correct answer is B. Dwarf stem length is a recessive trait.

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Related Questions

what elements cycle between living and non living organisms?​

Answers

Explanation:

The ways in which an element—or compound such as water—moves between its various living and nonliving forms and locations in the biosphere is called a biogeochemical cycle. Biogeochemical cycles important to living organisms include the water, carbon, nitrogen, phosphorus, and sulfur cycles.

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Elements that cycles between living and nonliving things are as follows: water, carbon, nitrogen, oxygen, phosphorus, and sulfur.

BIOGEOCHEMICAL CYCLES:

Elemental substances are examples of matter, which are transferred from one form to another in the ecosystem. The movement of these elements between living organisms and their environment is termed biogeochemical cycle.

Elements that are involved in the biogeochemical cycle are as follows: water, carbon, nitrogen, oxygen, phosphorus, and sulfur. This means that these six elements move between living and nonliving sources. Water makes up the most part of the body of living organismsCarbon is a major component of the organic matter of living organismsNitrogen is a key component of nucleic acids and also found in the soil as nitratesPhosphorus is the key component of the energy molecule- ATP in every living organismSulfur is a component of some amino acids, and also released into the atmosphere during burning.

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An unknown organism is found in the forest and the gene is sequenced as follows:

Unknown: C C A T G G A A T C G A

What kind of an animal do you think this is? Explain why:

Answers

Answer:

I beleive its somthing close to a  pig

Explanation:

The DNA sequence is closest to the pig . The amino acids Gly, Thr, Leu, and Ala are from the "unknown animal." On the worksheet, the pigs amino acids are Gly, Thr, Phe, and Ala. There is only one different amino acid between the two.

I might be wrong but there u go

8. Some humans have attached earlobes, some have detached
earlobes. Is this beneficial, neutral, or harmful? Why?

Answers

Answer:

attached earlobes are neutral

Explanation:

there are myths that attached earlobes are a sign of inbreeding but this has been unproven for years. they serve no difference

Memories about one's own life are called:
self-recall
historical memories
myopic visions
autobiographical memories

Answers

autobiographical memories

Describe the similarities and differences between plant and animal cells

Answers

Answer:

Plant cells have a cell wall and a cell membrane.

In plants, the cell wall surrounds the cell membrane.

Animal cells have a cell membrane but no cell wall.

Plant cells have cytoplasm.

Both have a nucleus.

how is specialization beneficial for an organism

Answers

you specialize because you have to be specific

What is happening to glaciers over time. What is causing the change?

Answers

The greenhouse is the cause of most climate warming and glacier retreat in the past 50 years, however, related causes like farming, burning fossil e.t.c are also causing glacier retreat

Which of these statements best describes a niche in an ecosystem?

the role of a species in its community

the role of a species in its population

the way a species uses the resources in its habitat

the way a species interacts with other species in its habitat

Answers

Answer: The role of a species in its community.

Explanation: Niche, in ecology, all of the interactions of a species with the other members of its community, including competition, predation, parasitism, and mutualism.

What is the general relationship between distance from the sun and a planets density?

Answers

Answer:

There is no connection between a planet's distance from the Sun and its rate of rotation (spin on its own axis or Planetary Rotation Period). While it is true that, generally speaking, the gas giants have higher rotation rates than the earth like planets closer to the Sun, any correlation is only coincidental.

Explanation:

sum it up

can you help me thanks DONT PUT LINKS PLZ!​

Answers

Running water both beach answers and valleys

During a hectic moment in the ER, Robin received a needle stick from a hyperdermic used on the patient. She later was diagnosed with Hepatitis B. This would be an example of what type of transmission?

Answers

Answer:

Fomite Transmission

Explanation:

The type of transmission used as an example in this scenario would be Fomite Transmission. This is when an inanimate object that has been in contact with a disease becomes contaminated and then comes into contact with an individual. In this scenario, once the needle was used on the patient that had Hepatitis B it immediately became contaminated. Then by accidentally being stuck by the needle, Robin became infected as well as the disease was transmitted from the needle into her bloodstream.

Ella and Olivia are sisters. Both sisters are taller than average, but each sister has specific traits the other sister does not. Ella is a competitive swimmer who trains outside in the summer. Her hair is bleached blond by the sun and chlorine in the pool water. Her many hours of practice have made her fit and muscular. Olivia loves to help people and wants to become a nurse someday. She volunteers every week at the nursing home where her great-grandmother lives. She walks the residents to and from their daily activities, and in the evening during dinner, plays the piano beautifully for them. Which of the following traits is inherited? a Piano Skills b Strong muscles c height d sun-bleached hair

Answers

Answer:

a

Explanation:

How many chromosomes are made by using a cell "c"

Answers

Answer:

In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46. Twenty-two of these pairs, called autosomes, look the same in both males and females. The 23rd pair, the sex chromosomes, differ between males and females.

Explanation:

Given the strand of DNA with the sequence : G-A-C-A-T-T-C-C-G...
Column A
Column B
1.
What is its complementary strand?
a. C-T-G-T-A-A-G-G-C
2.
b. G-A-C-G-A-T-T-C-C-G
Which sequence represents and insertion /
addition?
Which sequence represents a deletion?
3.
C. G-A-C-T-A-T-C-C-G
4.
d. G-A-C-A-T-C-C-G
Which sequence represents an inversion
mutation?

Answers

Answer:

1. Given the DNA sequence: G-A-C-A-T-T-C-C-G, the complementary sequence is C-T-G-T-A-A-G-G-C (a).

2. Given the DNA sequence: G-A-C-A-T-T-C-C-G, the insertion sequence is G-A-C-G-A-T-T-C-C-G (b).

3. Given the DNA sequence: G-A-C-A-T-T-C-C-G, the deletion sequence is G-A-C-A-T-C-C-G (d).

4. Given the DNA sequence: G-A-C-A-T-T-C-C-G, the inversion sequence is G-A-C-T-A-T-C-C-G (c).

Explanation:

The complementary sequence of DNA is a sequence of complementary nucleotides. The complement is a nitrogenous base that correctly pairs with the base that is given. In DNA, Adenine (A) correctly pairs with Thymine (T), and Guanine (G) with Cytosine (C). Therefore, the complement of A is T, and of C, is G.

The given sequence complement would be C-T-G-T-A-A-G-G-C since it's a sequence of bases that correctly pairs with the given sequence, G-A-C-A-T-T-C-C-G. [ G-A-C-A-T-T-C-C-G | C-T-G-T-A-A-G-G-C ] Notice that the first base in the sequences is G and C respectively. The next two are A and T. The paring is such that C complements G, and that A, T.

2. An insertion sequence is one in which there is an extra added nucleotide or codon. [ G-A-C-A-T-T-C-C-G ] Notice that there are three Triplets in this sequence. In a case where there is an extra nucleotide(s) or codon(s), such is termed an insertion mutation. When the given sequence is compared with the sequence in option b, G-A-C-G-A-T-T-C-C-G, you can observe an extra nucleotide [G - the fourth letter in the sequence]. Therefore, this sequence is called an insertion sequence.

3. Deletion mutation is an error in the DNA replication process that removes a nucleotide(s) from the genome. Hence a sequence that has a nucleotide(s) removed from the original sequence is called a deletion sequence. With the given sequence, G-A-C-A-T-T-C-C-G, the deletion sequence to this is G-A-C-A-T-C-C-G. [G-A-C-A-T-C-C-G ] Notice that one of the nucleotides, T, is missing.

4. Inversion mutation is a chromosome rearrangement in which a chromosome is reversed end to end. This involves breaking and rearrangement within a sequence. With the given sequence, G-A-C-A-T-T-C-C-G, an inverted sequence is G-A-C-T-A-T-C-C-G. [ G-A-C-T-A-T-C-C-G] Notice the first two nucleotides, of the second codon (....-T-A-T-...). The original sequence has....-A-T-T-...., but the new sequence here has...-T-A-T-.... Suggesting that the first two nucleotides were broken and rearranged end to end.

what is applied microbiology​

Answers

Definition. Applied microbiology is a scientific discipline that deals with the application of microorganisms and the knowledge about them. Applications include biotechnology, agriculture, medicine, food microbiology and bioremediation.

The branches of microbiology can be classified into pure and applied sciences.Microbiology can be also classified based on taxonomy,in the cases of bacteriology,mycology,protozoology, and phycology.

Need Help with this urgently, please only right answers

RR = Red WW = White RW = roan
1. A roan cow is crossed with a red cow.
What percent of the offspring will be red?
2. A red cow is crossed with a white cow.
What percent of the offspring will be roan?
3. A roan cow is crossed with a white cow.
What percent of the offspring will be roan?
What percent will be red?What percent will be white?

Answers

1. 50% will be red
2. 100% will be roan
3. 50% roan and 50% white

what is depolarisation​

Answers

Answer:

Depolarisation refers to a sudden change in membrane

potential – usually from a (relatively) negative to positive

internal charge. In response to a signal initiated at a

dendrite, sodium channels open within the membrane of

the axon.

What do well sorted settlements have

Answers

Answer:

Explanation:

Well-sorted sediments have grains of similar size, and are the result of much sediment transport and earth processes which segregated the sediment by depositing different size fractions in different places.

Hope this helped!!!

water is a polar compound because it exhibits____charges

Answers

Answer:

I think it is negative charges

Explanation:

hope this helps :)

Quick question. I am trying to cite my sources for my biology research project and the website that I used is a rare disease informational center with different topics. For example there is a summary section, a symptoms section etc.... I need to cite my sources however each section has a different publication date because they don’t update the entire article at once. I am currently trying to use an in text citation for the summary because I used a quote from the summary so do I just use the summary publication? But I did use other sections of this website for other parts of my essay so when it comes time to making my bibliography what do I do

Answers

Answer:

For your bibliography, you need to put the website but also put the sections you got your examples from. Also, don't forget to put the person who published the summary down as well. Hope this helped

Explanation:

I may be in high school but from time to time I'm in the same situation at school when it comes to things like this.

Helicase is an enzyme responsible for unwinding the double helix of the DNA by breaking apart the hydrogen bonds between each of the base pairs. Which phase of the cell cycle is helicase most likely active? s M G1 G1​

Answers

Answer:

G1 Phase

Explanation:

While Rebecca at her locker she can hear students coming from around the corner. Which wave interaction explains why she can hear them

Answers

Answer:

Diffraction

Explanation:

Diffraction is the key explanation why we can hear sounds around corners but not see them. As compared to light waves, sound waves have much longer wavelengths, making diffraction effects much more visible. When the size of the object that the wave is diffracting around is about the same as the wavelength of the wave, diffraction effects become very visible.

Sound has a wavelength of 1 m, while light has a wavelength of 0.1 micro m. Reflection is a secondary reason. Sound waves bounce off walls in a specular way, allowing them to bounce around corners, but light bounces off walls in a diffuse manner.

hope this helps :)

factors affecting environment and development​

Answers

Answer:

Environmental factors affecting plant growth and development include light, temperature, water, humidity, and nutrition. At the time of nurturing a tree, it is important to know how these factors could affect the growth and development of a plant. Knowledge about environmental factors helps the owner promotes proper growth.

describe the process of transformation from start to finish. Be sure to use the following terms in your response: restriction enzyme, ligase, plasmid, DNA, protein, gene, and sticky ends, and recombinant DNA.

Answers

The process of transformation are as follows:

restriction enzymes are used to cut the desired DNA from the organism as well the plasmid producing sticky endsThe plasmid is then inserted into the host organism.The host organism incorporates the plasmid producing recombinant DNA. The recombinant DNA is expressed by the host organism to produce proteins.

What is transformation?

Transformation is the process whereby genetic material from another organism is incorporated into the nucleus of another organism.

The steps in transformation are as follows:

restriction enzymes are used to cut the desired DNA from the organism as well the plasmid producing sticky endsThe plasmid is then inserted into the host organism.The host organism incorporates the plasmid producing recombinant DNA. The recombinant DNA is expressed by the host organism to produce proteins.

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help pleasee
Many plants produce seeds which have small hooks on them. These hooks will attach to animals as they
move past the plants. What process do these hooks help the plant with?
A. pollination
B. fertilization
C. germination
D. seed dispersal

Answers

Answer:

A. Pollination

Explanation:

Because the "Hook" is helping the "Seed" get to other places to grow.

The animal will than drop the seed eventually . So ur answer is most likely D

the number of molecules of ATP produced from one molecule of glucose through glycolysis/oxidative phosphorylation is respectively

Answers

Answer:

Glycolysis is the answer

Answer:

Explanation:

Glycolysis starts with one molecule of glucose and ends with two pyruvate which is pyruvic acid. molecules and a total of four ATP molecules, and two molecules of NADH.

A parents traits are inherited by offspring in the form of dna carried on

Answers

Answer:

Is this a true or false question? If so, this statement is true.

Explanation:

It is not enough to be in the presence of a pathogen like a bacteria or virus, there also needs to be an environment in which the pathogen can grow.

a. True
b. False

Answers

This question seems a bit incomplete. It is not enough to be in the presence of a pathogen to...what? I assume the missing part is “to get sick” or something similar.

In any case, the answer would be true. If a pathogen is in an environment that is hostile or otherwise not conducive to its survival and growth, it usually wouldn’t be able to infect the host.

Which statement best describes biodiversity? *
5 points
A) a geographic area on earth that contains ecosystems
B) The variety of life in a habitat or ecosystem
C) An area that receives very little rain
D) A nonliving thing that affects an ecosystem

Answers

I believe the answer is B. The variety of life in a habitat or ecosystem.

Answer:

B)

Explanation:

It refers to all the variety of life that can be found on Earth (plants, animals, fungi and micro-organisms) as well as to the communities that they form and the habitats in which they live.

IT WOULDN'T LET ME ANSWER. NOW YOU SAID TO HELP ME TOO.

3 Stimuli Plants that adapt to

Answers

Water, gravity, and light.

Answer:

-light

-gravity

-water

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