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
arsen [322]
3 years ago
15

What are three processes that contribute to genetic variation during sexual reproduction

Biology
1 answer:
brilliants [131]3 years ago
7 0
  1. Crossing over – often, the sister homologous chromosomes of a cell exchange genetic material through recombination of genes.
  2. Independent assortment/random fertilization – there are numerous variety of ways that the chromosomes of the gametes can combine, after meiosis, through fertilization to form a zygote
  3. Mutation – on rare occasion, there is a slight and random change in the genes of a gametic cell caused by environmental factors.

You might be interested in
Application of surface tension in respiratory system
likoan [24]

Answer:

The force of surface tension in the lungs is so great that without something to reduce the surface tension, the airways would collapse after exhalation, making re-inflation during inhalation much more difficult and less effective. Collapse of the lungs is called alectasis.

Explanation:

6 0
3 years ago
DNA is often compared to a twisted ladder. In this analogy, what forms the
Oxana [17]
A- on the sides you would find the phosphate and sugar so the center is the AT or CG
5 0
2 years ago
Measurements that are close to the correct value are
Naily [24]
Accurate would be the correct answer.

I hope this helped!
4 0
3 years ago
the fertilized egg cell begins to divide, and the dna of each new cell is an exact copy of the original cell. based on this info
choli [55]

Answer:

mitosis

Explanation:

4 0
2 years ago
How humans have contributed to the extinction of plant or animal species?
VashaNatasha [74]

Answer: The main cause of the extinctions is the destruction of natural habitats by human activities, such as cutting down forests and converting land into fields for farming. Due to human activities, populations of many species have become small and isolated.

Explanation:

8 0
3 years ago
Other questions:
  • PLZZZ HELLLP FAAAAST ASAP BRAINLIEST!!!!!
    15·1 answer
  • Which is the best precaution against carbon monoxide poisoning on a boat?
    5·1 answer
  • Which of the following is a renewable resource? natural gas, wind, coal, mineral deposits
    8·2 answers
  • How do endothermic and exothermic reactions differ?
    14·1 answer
  • According to the theory of isostasy, which statement must be true?
    9·2 answers
  • Which of the following is not a mechanism for speciation?
    7·1 answer
  • A 1-month-old infant is being treated with sequential casts for bilateral clubfoot (talipes equinovarus); new casts have just be
    12·1 answer
  • What product produced by yeast cells during fermentation causes bread to rise?
    10·2 answers
  • What would happen if the fish didn’t have a bladder
    11·1 answer
  • Granulocytes that contain granules of vasoactive amines such as histamines are called?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!