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
spayn [35]
3 years ago
12

Why is crossing over an essential step in meiosis

Biology
1 answer:
marshall27 [118]3 years ago
7 0

Crossing over is essential for the normal segregation of chromosomes during meiosis. Crossing over also accounts for genetic variation, because due to the swapping of genetic material during crossing over, the chromatids held together by the centromere are no longer identical.

I just found this on google

You might be interested in
I NEED HELP ASAP PLEASE if you can help me with this whole sheet !!!!!
Nezavi [6.7K]

2. enzyme

3. esophagus

4. lower esophageal sphincter (LES)

5. throat (pharynx)

6. stomach

7. stomach

8. protein

9. HCL

10. small intestine

11. chemical

12. nutrient

13. cells

15. bacteria

16. anus

17. solid



6 0
3 years ago
Are ants a producer, an herbivore, a carnivore, a scavenger, or a decomposer?
swat32

An ant is considered a scavenger!!

Hope this helps!

6 0
3 years ago
10. If there are very few differences in the DNA of two different species, what can we infer about their relationship? For examp
Burka [1]

Answer:

Chimpanzees.

Explanation:

DNA sequence similarity is helpful to determine the evolutionary relationship between the organisms. The evolutionary tree can easily be constructed if the percentage of the DNA sequence similarity is known.

The human shows 98.8% sequence similarity with chimpanzee. The sequence similarity between human and gorilla DNA is 98.4%. This means Chimpanzee are more closely related to humans than gorillas.

Thus, the answer is chimpanzee.

4 0
3 years ago
In the amoeba, water input and output are controlled by the _____. nucleus food vacuole vacuole pseudopodia
jarptica [38.1K]
The correct answer is vacuole. Vacuole controls the water input and water output of an amoeba. It is found within endoplasm. The vacuole is an essential part of an amoeba because it maintains the life of an amoeba. Malfunction can cause the amoeba to burst.
8 0
3 years ago
Read 2 more answers
You are playing a new video game that is based on the human immune system. The player is inside a human, and you must successful
Anarel [89]

Answer:

D. Cytokines

Explanation:

I would utilize Cytokines to recruit more leukocytes to the battle.

Cytokines are important chemical messengers that act via receptors in the immune system of the body. They are a group of proteins made by various immune cells. Immune cells communicate through Cytokines in regulating immune response

8 0
3 years ago
Other questions:
  • Which are early (prodromal) clinical manifestations of hepatitis?
    15·1 answer
  • . Why do astronomers and other scientists believe that there may be a black hole at the center of the Milky Way?
    14·1 answer
  • Select all that apply. Which of the following were developed during World War II?
    9·2 answers
  • What question did Mendel try to answer?
    9·1 answer
  • What is the [shape] of DNA?
    11·2 answers
  • 6. How did Darwin think plants and animals had originally come to the galapagos islands?||
    12·2 answers
  • WHOEVER ANSWER THIS PROBLEM WILL EARN BRAINLIEST!!
    15·2 answers
  • What are some sources of nitrogen
    9·1 answer
  • Which is an example of a statement about climate?
    12·1 answer
  • compose a four-sentence paragraph that Infers why humans would not be able to repair and grow muscle without bacteria
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!