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
What is 14.72 in percentage??
Sunny_sXe [5.5K]

14.72 in percentage form is .1472

6 0
3 years ago
PPPLLLZZZ HHHEEELLLPPP WILL GGIVE BRAINLIEST FOR THE FIRST ANSWER!!!
julsineya [31]
Hey and thanks for giving me the chance to serve u
____________________________________________

so part one
is the atmosphere
part two
earth and mars
6 0
3 years ago
If zebra mussels were introduced to a new lake, what would be the most likely result?
svet-max [94.6K]
I honestly have no clue sorry
8 0
3 years ago
Where do mature eggs go first after leaving the fallopian tube?
maxonik [38]

Answer:

D. is de answer

3 0
3 years ago
A group of scientists are studying the effects of different fertilizers on the growth of pea plants. They began their study with
katrin [286]
A control group of the experiment is the one in which no treatment or intervention is given. So, in your case, the pea plants in which was not subjected any of the fertilizers, will serve as a control group. This is a negative control. A positive control group is the one in which an established treatment is given, which definitely leads to the production of the desired character. So, in your case, a very good well-known fertilizer which has a positive control on the growth of the pea plant, would serve as a positive control.
8 0
3 years ago
Other questions:
  • Inorganic compounds are usually held together by _____ bonds.
    8·2 answers
  • What are some examples of perceptual narrowing?
    10·1 answer
  • The majority of americans with diabetes have ____________ , formerly called ____________ .
    9·1 answer
  • What happened when you rubbed a balloon on the sweater? What happened when that balloon was moved close to the wall?
    10·2 answers
  • Let's assume you are conducting an experiment to determine the effect of a new drug on the incidence of epileptic seizures. You
    15·2 answers
  • Natural selection is a process in which organisms that are better suited to a certain set of environmental conditions tend to su
    7·1 answer
  • Why do leaves appear green?
    6·2 answers
  • 5. Many sciences rely on observation instead of (or in addition to) designed experiments. Compare the data quality issues involv
    14·1 answer
  • Cuáles son las bases nitrogenadas que componen el ARN<br>​
    7·1 answer
  • Please select the word from the list that best fits the definition
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!