Question

Which are two primary sources of genetic variation?
a. mutations and sexual reproduction
b. isolation and sexual reproduction
c. sexual reproduction and asexual reproduction
d. migration and sexual reproduction
4. Identify the type of variation in the following :
(Hint: Continuous/Discontinuous, Inherited/Environmental or combination)
I. Tree-colored moths are more likely to survive and reproduce than those of a different color.
II. There are only three species of elephants: the African bush elephant, the African forest elephant, and the Asian elephant.
III. There are around 200 species of monkeys and each of these has different skull structures.
The

Answer 1

Answer:

sexual and asexual reproduction

Answer 2

Answer:

Sources of Genetic Variation

Gene duplication, mutation, or other processes can produce new genes and alleles and increase genetic variation. New genetic variation can be created within generations in a population, so a population with rapid reproduction rates will probably have high genetic variation. However, existing genes can be arranged in new ways from chromosomal crossing over and recombination in sexual reproduction. Overall, the main sources of genetic variation are the formation of new alleles, the altering of gene number or position, rapid reproduction, and sexual reproduction.

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