Chapter 14: Animal Reproduction and Development

spermatogonium

Each ________ divides to produce four viable sperm, each containing an equal amount of cytoplasm, in males.

menstrual cycle

The ________ begins again when the estrogen and progesterone production stops because of the decline in LH and FSH.

Fruit flies

________ have genes that drive the formation of body segments and antennae.

Human chorionic gonadotropin

________ is produced by the embryo if it is implanted.

feedback loops

What are more complex in females than in males? Answer with a single words or term.

corpus luteum

The ________ produces hormones after ovulation.

GnRH

________ stimulates the anterior pituitary to release hormones.

Diagrams

________ can be used to supplement your answers, but a(n) ________ alone is not adequate.

negative feedback response

A(n) ________ causes the anterior pituitary to stop making FSH and LH because of high levels of progesterone.

Gametogenesis

________ begins at puberty in males.

sexes

Both ________ have the same hormones that regulate the production of gametes.

Oogenesis

________ starts during the early stages of development.

FSH

________ stimulates the development of the egg within the follicle as part of the ovarian cycle.

Estradiol

Who is produced by the follicle? Answer with a single words or term.

Apoptosis

What is a process in which proteases break down cellular structures? Answer with a single words or term.

histone packaging

The ________ is held more tightly by the histone groups.