Exam

Question 1

Today in the US only a small percentage of the population is actively involved in food production

Answer 1

True

Question 2

in the US we spend nearly 50% of our income on food

Answer 2

False

Question 3

The Genotype of an animal is determined at conception

Answer 3

True

Question 4

All animals have the same number of chromosome pairs

Answer 4

False

Question 5

In mammals, sex of the offspring is determined by the female or dam

Answer 5

False

Question 6

Highly heritable traits are greatly influenced by the environment

Answer 6

False

Question 7

As a breeder selects for more traits, the progress they make in any one trait is slower

Answer 7

True

Question 8

Traits that are controlled by one pair of genes are harder to change than those controlled by many pairs

Answer 8

False

Question 9

Qualitative traits are controlled by more genes than quantitative traits

Answer 9

False

Question 10

Meiosis reduces chromosome number in sex cells

Answer 10

True

Question 11

All animals are a product of their genetics and environment

Answer 11

True

Question 12

Mutations frequently occur and are generally desirable

Answer 12

False

Question 13

The stronger the uterine attachment the longer the post partum interval

Answer 13

True

Question 14

Accessory glands in the male contribute volume to the semen

Answer 14

True

Question 15

An animal with both testes in the body and undescended into the scrotum would be sterile

Answer 15

True

Question 16

The estrous cycle can be lengthened by feeding or giving the female prostaglandin

Answer 16

False

Question 17

A free martin is a female born as a twin with a male and is sterile

Answer 17

True

Question 18

The scrotum of a male raises and lowers to adjust temperature of the testes

Answer 18

True

Question 19

the oocyte is one of the smallest cells in the body and is mobile

Answer 19

False

Question 20

Chromosomes are located in the nucleus

Answer 20

True

Question 21

An example of the gametes are epithelial cells

Answer 21

False

Question 22

A dominant gene in a heterozygous pair hides the effect of the allele

Answer 22

True