Final Exam

Question 0

Sperm fertilizes the ovum resulting in a _______

Answer 0

Zygote

Question 1

The process by which makes and females develop distinct reproductive anatomy

Answer 1

Sexual differntiation

Question 2

Each parent contributes ____ chromosomes

Answer 2

23

Question 3

Which chromosome pair determines sex?

Answer 3

23rd pair

Question 4

Stage of prenatal development that begins with implantation of a fertilized ovum in the uterus and concludes with development of the major organ systems at about 2 months after fertilization

Answer 4

Embryo

Question 5

After 7 weeks of prenatal development, the genetic code (xx or xy) results in:

Answer 5

Changes in the gonads and external genitalia

Question 6

Ovaries begin to develop at _____

Answer 6

11 or 12 weeks

Question 7

Sex determining region on the Y gene, also leads to formation of the testes

Answer 7

SRY gene

Question 8

What are androgens?

Answer 8

Male sex hormones

Question 9

What is the role of androgens?

Answer 9

Without androgens all infants would develop female

Question 10

The condition defined by testes that fail to descend

Answer 10

Cryptorchidism

Question 11

Testes and ovaries develop from:

Answer 11

Structures in the abdominal cavity

Question 12

The ovaries complete their descent after the:

Answer 12

Prenatal period

Question 13

Testes descend via ______.

Answer 13

Inguinal canal

Question 14

• Caused by an extra X chromosome (XXY) in a male
• fail to develop appropriate secondary sex characteristics
• May be mildly retarded

Answer 14

Klinefelter syndrome

Question 15

• Caused by only one X chromosome (XO) in a female
• at risk for medical complications
• spatial and math difficulties
• infertility

Answer 15

Turner syndrome

Question 16

The psychological awareness or sense of being male or female is:

Answer 16

Gender identity

Question 17

A sex assignment reflects ___________

Answer 17

Sex at birth

Question 18

Children are first aware of anatomical sex by:

Answer 18

18 months

Question 19

Children firmly acquire sense of gender identity at:

Answer 19

36 months

Question 20

People are usually reared as males or females in accordance with their:

Answer 20

Sexual anatomy

Question 21

Gender identity is almost always consistent with ones ___________

Answer 21

Chromosomal sex

Question 22

Is gender identity biologically determined?

Answer 22

No

Question 23

A very rare type of person who possesses both ovarian and testicular tissue.

Answer 23

Hermaphrodite

Question 24

A person who possesses gonads of one sex but external are ambiguous or typical of the other sex:

Answer 24

Intersexual

Question 25

True hermaphrodites are:

Answer 25

Rare