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
MariettaO [177]
3 years ago
13

Why is genetic variation a prerequisite for evolution??

Biology
1 answer:
algol133 years ago
5 0
Genetic variation is a prerequisite for evolution because natural selection relies upon lessening the frequency of alleles in a population therefore there must be variance in the gene pool
You might be interested in
What is one way a plain can form?
ryzh [129]

Answer:

A. Erosion from wind, water, or ice removes crustal material.

Explanation:

Plain formation can occur in many different ways some plates some planes can form as wind, water and ice erode wear away or remove dirt and rocks on higher land.

Wind picks up and carries along small particles which can be abrasive against surfaces, slowly wearing them away to form more particles. The water and ice transport the fragments of rock and dirt as sediment down hillsides, where it is eventually deposited. This occurs until several layers of sediment are accumulated. Plains can also form at the bases of mountains where water carries a flow of sentiments downhill to flat areas where it further spreads out to deposit the sediment in a fan shape -this is called an alluvial plain.

7 0
3 years ago
A diploid cell (2N) in G1 phase of the cell cycle has how many alleles of each gene?
Cerrena [4.2K]

Answer:

46 chromosomes

Explanation:

<em>I. G1 phase (Gap 1) - Cellular contents excluding the chromosomes, are duplicated. II. S phase (DNA Synthesis) - Each of the 46 chromosomes is duplicated by the cell.</em>

7 0
3 years ago
What is the purpose of adding lysis solution to our DNA sample?
Viefleur [7K]

Answer:

A lysis buffer is a buffer solution used for the purpose of breaking open cells for use in molecular biology experiments that analyze the labile macromolecules of the cells (e.g. western blot for protein, or for DNA extraction).

Explanation:

4 0
3 years ago
1 1.1.2 Quiz: Organization of DNA
lutik1710 [3]
The correct answer is A
3 0
3 years ago
What is an operon, its function, and in what type of organism are operons found?
Elanso [62]
 Am operon is a set of genes transcribed under the control of an operator gene. More specifically, anoperon is a segment of DNA containing adjacent genes. <span>Operons are found in prokaryotes (bacteria and archaea), and (in rare cases) in eukaryotes. Hope this answers the question.</span>
4 0
3 years ago
Other questions:
  • A patient who has undergone an open cholecystectomy 12 hours prior has a jackson-pratt (jp) drain. the nurse empties the drainag
    10·1 answer
  • What accounts for the movement of water up the veins of a tall tree?
    10·1 answer
  • 3) Once cells with nuclei developed, organisms were able to become more complex, which allowed them to adapt to the conditions i
    12·2 answers
  • Cyanobacteria are a type of _____ that _______.
    13·1 answer
  • The Ames test is used to identify potential carcinogens. A compound tested resulted in a few scattered colonies growing on the m
    5·1 answer
  • Write a paragraph summary about the differences between amphibians and mammals (humans).
    5·1 answer
  • The danger of crops becoming extinct before scientists can study them is
    15·1 answer
  • How does an inhaler work?
    14·1 answer
  • You leamed that carbon is an important building block of organisms and that moves through organisms, between organisms, and the
    12·1 answer
  • Hat occurs when a medical model is applied to the study and treatment of psychological disorders?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!