Vocab

Question 0

Trait

Answer 0

A specific characteristic

Question 1

Heredity

Answer 1

The passing of physical characteristics from parent to offspring

Question 2

Genetics

Answer 2

The study of heredity

Question 3

Fertilization

Answer 3

When a new organism begins to form when the egg and sperm cells join

Question 4

Purebred

Answer 4

The same form of a trait TT tt

Question 5

Dominant allele

Answer 5

A trait who always shows up in the organism when it is present

Question 6

Recessive allele

Answer 6

A trait that is hidden whenever the dominant one is present

Question 7

Hybrid

Answer 7

Two different alleles for a trait

Question 8

Probability

Answer 8

A number that describes how likely something is to happen

Question 9

Punnett square

Answer 9

A chart that shows all the possible ways alleles can combine in a genetic cross

Question 10

Phenotype

Answer 10

Physical appearance

Question 11

Genotype

Answer 11

Your genetic makeup

Question 12

Homozygous

Answer 12

Two identical alleles for a trait

Question 13

Heterozygous

Answer 13

Two different alleles for a trait

Question 14

Incomplete dominance

Answer 14

When one allele is only partially dominant

Flowers RW

Question 15

Codominance

Answer 15

When both alleles for a gene are expressed equally

Chicken F^BF^W
Feather black + feather white

Question 16

Multiple alleles

Answer 16

Three or more possible alleles determine the trait

Question 17

Polygenic inheritance

Answer 17

Occurs when more than one gene affects a trait

Question 18

Meiosis

Answer 18

The process by which sex cells reproduce and the number of chromosomes is reduced by half as sex cells form