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
Natali [406]
3 years ago
7

In addition to mutations, genetic variation can also arise during the formation of gametes during meiosis. During meiosis I, hom

ologous chromosomes can randomly exchange segments, in a process called crossing-over. This trading changes the order of the genes in the DNA and on the chromosomes. Exchange material is integrated into the rest of the chromosomes DNA. Each chromosome loses some DNA and gains some DNA. As a result, there are more genotypes in the offspring. 2. What function does recombination by crossing-over have in genetic variation
Biology
1 answer:
amm18123 years ago
5 0

Answer:

Crossing over ensures that organisms of the same parents have differences in genetic content making them unique in one way or the other.

Explanation:

This question is describing the process of crossing over, which occurs only during prophase I of meiosis. During the process of crossing over, alleles of a gene are exchanged between non-sister chromatids of homologous chromosomes (mother and father chromosomes).

Hence, a unique GAMETE that has been genetically recombined will be formed. When these gametes are fertilized (egg) or fertilizes (sperm), organisms that are genetically different from their parents are produced. This ensures genetic variation, which is a difference in the genetic content of organisms.

You might be interested in
A water molecule is polar because there is an uneven distribution of _______________ between the oxygen and the hydrogen atoms.
Katen [24]
There is an uneven distribution of electrons between oxygen & hydrogen atoms
7 0
3 years ago
The axons of the retina culminate in the ___ nerve which forms a ___ spot on the retina.
qaws [65]
The axons of the retina culminate in the optic nerve which forms a blind spot on the retina.

I hope this helps!
7 0
3 years ago
Read 2 more answers
Which of the following might explain the lack of cloud formation? Choose one or more:
makvit [3.9K]

Answer:

The following might explain the lack of cloud formation

  • The air package never reaches its dew point.
  • There are too few aerosols present in the air package.

<u>Explanation</u>:

For the formation of the cloud the air in the higher position should have much colder than that of the surface. The vapours travels till it reaches the point where it has lower temperature as well as the pressure so that the water will condense into the droplets which will result in the formation of the cloud. When those vapours condenses to the liquid or to the solid it will release some of it energy to the air. For the formation of the cloud three things are mandatory and they are moisture, cooling air and the condensation nuclei. Also, for the formation of clouds, suspended particles like aerosols are required for the water to condense. As there are few aerosols, water doesn't get to condense.

6 0
3 years ago
Is reproduction important to the survival of the survival of an individual
zimovet [89]
Very... Reproduction at both the molecular level to help maintain and repair itself through production of cells is important for self-preservation. Additionally reproduction allows survival of genetic material to offspring. 
3 0
3 years ago
Where are most of the gases located on the periodic table??
klemol [59]

Most of them are located to the right side of the periodic table

4 0
3 years ago
Read 2 more answers
Other questions:
  • In biology, an adaptation is defined as _____.
    6·1 answer
  • Which structure in this plant cell represents the site of ATP production from photosynthesis?
    10·1 answer
  • Human activity can destroy coral reefs write an essay of how
    5·1 answer
  • Which rock would have the fastest rate of weathering in a warm,wet climate?
    11·2 answers
  • Select Yes if Hepatitis B vaccine is recommended for the person described based on his or her risk for infection, or No if Hepat
    10·1 answer
  • Please help me !!!!<br> Explain why the two pictures below are incorrect:
    10·1 answer
  • Removal of nitrates and phosphates
    8·1 answer
  • What is a nutrient that leads to eutrophication
    14·2 answers
  • How is accelerating different to speed?
    8·2 answers
  • What is the process of mountain building called?
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!