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
Naddika [18.5K]
3 years ago
8

Crossing over occurs in prophase of meiosis I. Crossing over results in A. half the number of original chromosomes. B. double th

e number of original chromosomes. C. genetically identical homologous chromosomes. D. new combinations of genes.
Biology
2 answers:
dlinn [17]3 years ago
7 0

Answer:

New combinations of genes.

Explanation:

Crossing over may be defined as the process of the  exchange of the genetic material of the homologous chromosomes between non sister chromatids . The crossing over occurs in the prophase of the meiosis.

The some portion of genetic material exchanges randomly on the crossing over. This causes the generation of the new combination of genes in the organism. The linked chromosomes shows crossing over between them.

Thus, the correct answer is option (D).

klio [65]3 years ago
6 0

D. new combinations of genes.

You might be interested in
Make an argument for a "critical period" in language acquisition.
lara31 [8.8K]
Ever heard that kids are naturals when it comes to learning a language? Or maybe you know someone who gets easily discouraged from attending a second language course because they say they’re too old. Whatever you might have heard about this, whether you can remember or not, I’m positive it’s related to one of the most famous linguistics debates, which has been around since the 1960s.
4 0
3 years ago
Which best describes reproduction?
Burka [1]

Answer:

A sexual reproduction produces offspring that are identical to the parent. Sexual reproduction allows for diploid gametes to combine to increase genetic variation.

4 0
3 years ago
What kind of cell does the virus attack/damage?
yanalaym [24]

Answer:

<u><em>Plant cell, Bacterial cell and Animal cell</em></u>

<u><em>Example: </em></u>Plant viruses:Tobacco Mossiac Virus

                Animal virus: HIV(Human immunodeficeincy virus),Rhino virus      

                Bacteriophage  

Explanation:

Viruses attack living cells on the basis of their host types.

7 0
2 years ago
Which modern day organism has the most exponential eyesight in the animal kingdom?
Juli2301 [7.4K]

Answer:

b

Explanation:

becuse

8 0
3 years ago
Read 2 more answers
We would expect cells found in the digestive glands of animals to contain relatively large amounts of which cellular organelle?
Sophie [7]
Pretty sure the answer is B 
7 0
3 years ago
Read 2 more answers
Other questions:
  • The parent of a newborn asks, "why do i have to scrub my baby's formula bottles?" which information regarding the normal newborn
    15·1 answer
  • Which of the following has kinetic energy?<br> A. light<br> B. motion<br> C .food<br> D. motion
    13·1 answer
  • Vultures which are classified as scavengers are an important part of an ecosystem because they
    6·1 answer
  • Each molecule of table sugar, C12H22O11, contains
    12·1 answer
  • 16. What are the substances that constitute the chromatin? What is the difference between chromatin and chromosome?
    14·1 answer
  • Which greenhouse gas is emitted when people burn fossil fuels for energy?
    10·2 answers
  • The process of the plasma membrane pumping excess sodium out of a cell into an environment where there is a lower concentration
    14·1 answer
  • Which factors affect the solubility or dissolving rate of a substance?
    12·2 answers
  • The emt is appropriately sizing the airway when she measures:
    7·1 answer
  • a group of primitive cells that have the same number of mitosis all daughter cells that result from mitosis meiosis gametogenesi
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!