Reproductive

Question 1

meiosis

Answer 1

1. chromosomes do not produce duplicate
   copies before daughter cells pull apart
2. random half of total chromosomes go to
   each daughter cell

Question 2

mitosis

Answer 2

1. each chromosome produces a duplicate
   copy of itself
2. half of the chromosomes go to one daughter cell, and half go to the other

Question 3

diploid chromosome numbers

Answer 3

2n

Question 4

haploid chromosome numbers

Answer 4

n

Question 5

Location of Spermatogenesis

Answer 5

seminiferous tubules of the
testes

Question 6

Location of Oogenesis

Answer 6

in the follicles of the ovaries

Question 7

What is the purpose of the gubernaculum?

Answer 7

It provides a site of attachment for the testes in the fetal abdomen.

Question 8

The glans of this animal is covered with short spines.

Answer 8

Cat

Question 9

Which of the following occur during estrus?

Answer 9

Physical and behavioral changes signal the female’s willingness to breed to the male.

Question 10

Which of the following occur during proestrus?

Answer 10

The epithelial lining of the vagina cornifies.

Question 11

In which animal is the length of the heat more unpredictable?

Answer 11

Queen

Question 12

What is the significance of the bulb of the glans in the dog?

Answer 12

When it is enlarged, it is impossible for the male to withdraw from the female.

Question 13

Where does fertilization USUALLY take place?

Answer 13

fallopian tube

Question 14

When are spermatozoa transported from the vas deferens to the abdominal urethra?

Answer 14

during ejaculation

Question 15

What hormone level must increase (or surge) before ovulation will occur?

Answer 15

luteinizing hormone

Question 16

Which animal does not have bulbourethral glands?

Answer 16

Dog

Question 17

Where is testosterone produced in the male?

Answer 17

interstitial cells

Question 18

Which animal is polyestrous?

Answer 18

Cattle

Question 19

In cold conditions, this muscle contracts to pull the testes up closer to the body for warmth.

Answer 19

cremaster

Question 20

Which animal is multiparous?

Answer 20

Dog

Question 21

Order the stages of estrus, starting with the development of follicles

Answer 21

1. Proestrus
2. Estrus
3. Metestrus
4. Diestrus
5. Anestrus

Question 22

Select all the species that are induced ovulators:

Answer 22

Rabbit and cat

Question 23

Proestrus

Answer 23

Follicles start to develop

Question 24

Estrus

Answer 24

Follicles producing maximum amount of estrogen, at the end ovulation occurs

Question 25

Diestrus

Answer 25

Corpus luteum develops and reaches maximum size if pregnant

Question 26

Anestrus

Answer 26

No ovarian activity

Question 27

Which is the funnel like structure at the end of each oviduct that “catches”the ova?

Answer 27

Infundibulum

Question 28

Which of the following animals has an os penis?

Answer 28

dog

Question 29

Which animal is diestrous?

Answer 29

Dog

Question 30

Why is the midpiece of the spermatozoon referred to as the “power plant” of the cell?

Answer 30

It contains many energy-producing mitochondria.

Question 31

What is the significance of the bulb of the glans in the dog?

Answer 31

When it is enlarged, it is impossible for the male to withdraw from the femae

Question 32

What word refers to the chromosomes that occur in pairs?

Answer 32

diploid

Question 33

Which cells have a haploid chromosome number?

Answer 33

spermatozoa and ova

Question 34

Where is testosterone produced in the male?

Answer 34

interstitial cells

Question 35

Which animal does not have bulbourethral glands?

Answer 35

Dog

Question 36

Which animal is polyestrous?

Answer 36

Cattle

Question 37

Which animal is multiparous?

Answer 37

Dog