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
blsea [12.9K]
3 years ago
10

Which of the following statements about crossing over is TRUE?

Biology
2 answers:
andriy [413]3 years ago
7 0

Answer:

The correct answer is None of these choices are correct.

Explanation:

Crossing over doesn't occur only between heterozygous genes, it also doesn't happen only in some chromosomes and it never reduces de variation, otherwise, the crossing over is one of the main causes of variation among species.

eduard3 years ago
3 0

Answer: None of the choices are true.

Explanation:

Crossing over can be defined as the swapping of the genetic material which occurs in the germ line.

When the sperm and ovum combine together during the process of meiosis then the paired chromosomes from each of the parent align in such a way that the similar DNA sequence form the paired chromosomes cross over on each other.

The crossing over results in the genetic variation.

You might be interested in
A student drew the following flowchart to show the movement of nutrients.
Illusion [34]

Answer:

breathing

Explanation:

because the polluted air from factory mix into the air and then to the plants and the animals breathe the air

can i have brainlist please

8 0
3 years ago
Read 2 more answers
Innate immunity and acquired immunity are both _____. see concept 43.1
marissa [1.9K]
Are both The same thing
4 0
3 years ago
Why does absorptive nutrition make fungi useful in industry?
mel-nik [20]
They are useful because of the way they process and digest food. They apply their enzymes externally and then absorb smaller mollecules. This process releases things like CO2 or creates alcohols, and this has historically been used in making drinks like beer or foods like bread and cheese.
6 0
3 years ago
Is there only one gene that affects human hair color? What besides gene influences traits?
miv72 [106K]
No, and the environment also adds on to influencing traits.

Hope this helps. If not, I apologize.
5 0
3 years ago
Read 2 more answers
What is theory of to observe the neucles in cheek cells​
solong [7]

Answer: The theory of cheek cells is used for the identification of cheek cells.

Explanation:

The cells of cheek do not have cell wall. They have a cell membrane which allows on certain molecules to pass through it. The nucleus is located centrally in the cheek cells and it stores the DNA. It can be stained with the help of the methylene blue reagent. It appears blue in color which can be observed under the microscope. The cheek cells can be isolated from the buccal cavity by using cotton buds and cotton swabs can help in isolating the cells.

5 0
3 years ago
Other questions:
  • Desert-grassland boundaries can change as a result of _____.
    9·1 answer
  • Weegy 2. slight differences in inherited traits, such as feather color in birds, are called
    8·1 answer
  • What happens when an egg is fried? A. The egg changes from a liquid to a solid as it reaches its freezing point. B. Air combines
    6·2 answers
  • Which physical characteristics are found on earth but not on the moon ?
    10·1 answer
  • What form is carbon dioxide before and after photosynthesis
    7·1 answer
  • The study of fossil mammals is:
    12·1 answer
  • What are two species most commonly poached worldwide, why are they poached?
    7·1 answer
  • Which of the following are biofuels? Select all that apply*
    5·2 answers
  • Which statement best describes the outcome of both meiosis and mitosis
    8·1 answer
  • When during the cell cycle is a cell’s DNA replicated
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!