Heredity

Question 1

multiple alleles

Answer 1

having more than 2 alleles for a trait (blood type)

Question 2

polygenic traits

Answer 2

traits that have many genes that code for a trait (based on amount of dominate alleles present)(eye color)

Question 3

sex-linked traits

Answer 3

traits whose genes are located on the sex chromosomes (hemophilia)

Question 4

incomplete dominance

Answer 4

neither trait is completely dominant over the other (red, pink, white)

Question 5

codominance

Answer 5

both alleles are expressed in the phenotype (black, black and white, white)

Question 6

law of dominance

Answer 6

when a dominant allele is present, it is expressed

Question 7

DNA monomer

Answer 7

Nucleotides

Question 8

Carbohydrates monomer

Answer 8

sugars

Question 9

protein monomer

Answer 9

amino acids

Question 10

lipid monomer

Answer 10

fatty acids

Question 11

mutagen

Answer 11

a substance that can cause mutations

Question 12

mutation

Answer 12

a change in an organisms DNA

Question 13

nondisjunction

Answer 13

a mistake in division that causes an abnormal number of chromosomes in each cell

Question 14

gene mutation

Answer 14

a mutation that affects a single gene

Question 15

chromosomal mutation

Answer 15

a mutation that affects multiple genes or an entire chromosome

Question 16

Lack of skin and hair pigment

Answer 16

Albinism

Question 17

Excessive mucous production

Answer 17

Cystic Fibrosis

Question 18

Late fife mental deterioration

Answer 18

Huntington’s

Question 19

Having an extra 21st pair of chromosomes that causes varying degrees of mental retardation

Answer 19

Down Syndrome

Question 20

Inability to distinguish certain colors

Answer 20

Color Blindness

Question 21

Misshaped red blood cells

Answer 21

Sickle Cell Anemia

Question 22

Build up of fat in the brain

Answer 22

Tay Sachs

Question 23

Males with an extra X chromosome that results in a hormone imbalance

Answer 23

Kleinfelter’s Syndrome

Question 24

Inability of blood to clot

Answer 24

Hemophilia

Question 25

Females with only one X chromosome that results in infertility

Answer 25

Turner’s Syndrome

Question 26

Male

Answer 26

XY

Question 27

Female

Answer 27

XX

Question 28

male symbol

Answer 28

square

Question 29

carrier symbol:

Answer 29

half shaded

Question 30

Marriage / mating symbol

Answer 30

horizontal line from 2 people

Question 31

Someone who does not have the trait symbol

Answer 31

unshaded shape

Question 32

Someone who does have the trait

Answer 32

shaded shape

Question 33

Female symbol

Answer 33

circle

Question 34

A black bull and a white cow are crossed. Half of the offspring are black and half are black and white spotted. What type of dominance controls hair color in the cows?

Answer 34

codominace