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
Which will most likely cause an increase in the frequency of genetic mutations in humans?.
Alex Ar [27]
Increased exposure to X-rays
8 0
3 years ago
What is an ELLCO assessment
MakcuM [25]

Answer: Early Language and Literacy Classroom Observation Tool

Explanation: The ELLCO is an observation instrument developed to assess classroom quality as demonstrated by the structures and processes implemented to support children's early language, literacy and writing abilities.

3 0
3 years ago
Read 2 more answers
Which element is found in proteins but not carbohydrates or lipids?
mixas84 [53]

Answer:

N

Explanation:

Both carbohydrates and lipids contain Carbon, Hydrogen, and Oxygen. However, all proteins have Nitrogen as well.

8 0
3 years ago
How would scientists go about constructing recombinant DNA molecules?
Zinaida [17]
By combining the DNA of two different organisms.
7 0
3 years ago
Which one of the "big 3" macronutrients is the most calorically dense at 9 calories per gram?
Hatshy [7]
<span>Fat is by far the most calorie loaded of the macronutrients, containing 9 calories per gram compared to only 4 calories per gram for proteins and carbohydrates. Although a low fat diet is generally desirable for persons who would like to restrict their caloric intake, a no fat diet is no recommended by nutritionists or doctors since there is a dietary need for some fat in the diet.</span>
7 0
3 years ago
Other questions:
  • A __________ is a grid that shows the potential offspring of two parents.
    7·2 answers
  • What Happens to the human body when you die!!
    7·2 answers
  • Geneticists are able to use specific principles to explain the observations made during genetic studies. What can geneticists us
    15·1 answer
  • What evidence would you look for to determine whether a chemical change has occurred?
    12·1 answer
  • Which cell is a prokaryote
    9·2 answers
  • What are the main differences between DNA, Alleles, and Genes?
    8·1 answer
  • CRQ QUESTION: A species of birds lives on an island. The thickness of the birds’ beaks varies within the population. The birds f
    11·2 answers
  • During early developement all cells in the embryos of a multicellular organism are identical. Later in developement the cells be
    9·1 answer
  • A mosquito goes through complete metamorphosis. In this life cycle which stage comes after the egg stage?
    9·2 answers
  • In which direction does air flow?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!