Mod 50

Question 1

Which pair of chromosomes is the male and female one?

Answer 1

The 23rd.
XX = female
XY = male

Question 2

Do women have testosterone?

Answer 2

Yes, but less than men do

Question 3

What is testosterone?

Answer 3

male sex hormone that stimulates growth of male sex organs

Question 4

What are primary sex characteristics?

Answer 4

body structures that make reproduction possible

Question 5

What are secondary sex characteristics?

Answer 5

nonreproductive sexual traits

Question 6

What is menarche?

Answer 6

The first period in girls

Question 7

what is Spermarche?

Answer 7

first ejaculation for boys

Question 8

What does intersex mean?

Answer 8

born with intermediate or unusual combinations of male and female physical features

Question 9

What facts contribute to Americas STI and teen pregnancy increasing rate?

Answer 9

o Minimal communication about birth control
o Guilt related to sexual activity
o Alcohol use
o Mass media norms of unprotected promiscuity

Question 10

What is sexual orientation?

Answer 10

enduring sexual attraction towards a person. NATURE

Question 11

How does the brain anatomy for sexual orientation work?

Answer 11

there’s a cell cluster in the hypothalamus that’s larger for straight males than straight females and gay males.

Question 12

A child who is genetically female

a) has received an X chromosome from her mother and a Y chromosome from her father.

b) has received a Y chromosome only from her mother.

c) has received a Y chromosome from her mother and an X chromosome from her father.

d) has received two X chromosomes from her mother and none from her father.

e) has received an X chromosome from her father and her mother.

Answer 12

e) has received an X chromosome from her father and her mother.

Question 13

Which of the following is a primary sex characteristic that changes at puberty?

a) A growth spurt in height, especially for boys

b) Development of breasts for girls

c) Full development of external genitalia in both sexes

d) Facial hair and deepened voice for boys

e) Appearance of pubic and underarm hair in both sexes

Answer 13

c) Full development of external genitalia in both sexes

Question 14

Which of the following has been shown to be an effective intervention to reduce teen pregnancies?

a) Abstinence-only sex education in schools

b) Participation in service learning programs

c) Increasing guilt related to sexual activity

d) Taking a pledge to remain abstinent

e) Increased exposure to sexual content in the media

Answer 14

b) Participation in service learning programs