Appendix A

Question 1

What is asexual reproduction?

Answer 1

Reproduction in which all the off- spring’s genes are inherited from a single parent

Question 2

What is sexual reproduction?

Answer 2

Reproduction in which the offspring inherit genes from two parents.

Question 3

What is parthenogenesis?

Answer 3

Asexual reproduction from an unfertilized ovum; “virgin birth.”

Question 4

How is sexual reproduction adaptive to harmful mutations?

Answer 4

Sexual reproduction may help maintain an equilibrium state in a population of organisms, in which the appearance of new harmful mutations is balanced by the gradual elimination of old ones.

Question 5

How is sexual reproduction adaptive to parasites?

Answer 5

When a parasite develops the ability to “pick” a common combination of genes, many individuals die, but sexual reproduction quickly reestablishes a population with novel, “unpickable” combinations

Question 6

What is a hermaphrodite?

Answer 6

An organism that combines male and female reproductive functions.

Question 7

What is sex determination?

Answer 7

Controntrolling whether an embryo becomes male or female

Question 8

What is estrus?

Answer 8

The restricted period within the ovarian cycle when females of some species are sexually receptive; “heat.”