EXAM 3: 4/3

Question 1

conjugation

Answer 1

Involves the exchange of genetic material between organisms.
Allows each organism to receive genes from others that have not been subject to mutations. Helps correct genetic errors from mutations. Increases genetic variety but does not increase the number of organisms.

Question 2

what creates more genetic diversity conjugation or sexual reproduction

Answer 2

sexual reproduction

Question 3

how many organisms are involved in conjugation and sexual reproduction

Answer 3

1 in conjugation 2 in sexual reproduction

Question 4

asexual reproduction (fission)

Answer 4

Initially the dominant form of reproduction. Gradually replaced by conjugation in some species. parthenogenesis

Question 5

what is parthenogenesis

Answer 5

reproducing a diploid organism without mating with a conspecific

Question 6

how does the amazon molly display parthenogenesis

Answer 6

Reproduces entirely through parthenogenesis (no males involved). Females perform a courtship ritual despite the lack of males. Ritual is necessary for the female to reach the correct chemical state for egg fertilization.
Eggs are fertilized by female sperm from a different species. Resulting embryos are genetically similar to the mother.