1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
miv72 [106K]
3 years ago
5

Which mechanism of genetic variation results from the exchange of gene segments between non-sister chromatids? Select one of the

options below as your answer:
A. Crossing over
B. Independent assortment
C. Random fertilization
Biology
2 answers:
Marysya12 [62]3 years ago
6 0
A) Crossing over is the mechanism of genetic variation that results from the exchange of gene segments between non-sister chomatids.
Travka [436]3 years ago
5 0
Crossing over<span> occurs between prophase 1 and metaphase 1 and is the process where homologous chromosomes pair up with each other and exchange different segments of their genetic material to form recombinant chromosomes. It can also happen during mitotic division, which may result in loss of heterozygosity.</span>
You might be interested in
Which explains how gross physical evidence and trace physical evidence are similar?
irina [24]
D.) Both are circumstantial evidence....
3 0
3 years ago
Read 2 more answers
once a consumer gains nitrogen nutrients from animals or plants it recycles these nutrients back to each by
SSSSS [86.1K]

Answer:

Decomposers get nutrients and energy by breaking down dead organisms and animal wastes. Through this process, decomposers release nutrients, such as carbon and nitrogen, back into the environment. These nutrients are recycled back into the ecosystem so that the producers can use them

Explanation:

8 0
3 years ago
Read 2 more answers
Difference between Squamous epithelium and Stratified epithelium. (Pls answer quick) ​
Simora [160]

Answer:

squamous epithelium consists of a single layer of flat cells. It is found in lungs,heart and blood vessels.It allows the movement of materials across it.

stratified epithelium has many layer of flat cells.It is present in lining of oesophagus and mouth and also over the skin

8 0
3 years ago
Read 2 more answers
What chemical compound do cells use to store and release energy
My name is Ann [436]
Adenosine triphosphate
ATP
3 0
2 years ago
When does DNA synthesis occur?
SashulF [63]

Answer:

In the S Phase

Explanation:

This is because chromosome duplication occurs in this which is similar or the same to DNA synthesis

8 0
3 years ago
Other questions:
  • In your laboratory journal, describe the two tools of molecular biology that are often described as the scissors and glue for ma
    8·2 answers
  • If a flower were orange would you expect it to be pollinated by insects are by the wind? Why?
    10·1 answer
  • What happens if: the concentration of water in the soil is less than that in
    9·1 answer
  • What are the two types of density change?
    8·2 answers
  • In a cyclic population _____.
    12·2 answers
  • What is true for urochordates
    15·1 answer
  • The boys in this picture look alike because their bodies contain identical
    8·1 answer
  • Fill in the blank
    7·1 answer
  • 1. Explain how an environment would rebound after a volcanic eruption (include the type of
    13·1 answer
  • Footprints are found at the crime scene. Investigators take note of the scalar quantity of the footprints. Analyzing the scalar
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!