Traits

Question 1

The scientific study of heredity.

Answer 1

Genetics

Question 2

The passage of genetic instructions from one generation to the next generation.

Answer 2

Heredity

Question 3

Gregor Mendel

Answer 3

An Austrian monk,
born in 1822, who carried out work with various
plants that contributed to the understanding of
genetics

Question 4

The different forms of a gene.

Answer 4

Alleles

Question 5

A sequence of DNA that determines a trait and is passed from parent to offspring.

Answer 5

Gene

Question 6

A specific characteristic that an organism can pass to its offspring through its genes.

Answer 6

Trait

Question 7

An allele whose trait always shows up in the organism when the allele is present.

Answer 7

Dominant Allele

Question 8

An allele that is hidden whenever the dominant allele is present.

Answer 8

Recessive Allele

Question 9

An organism’s physical appearance, or visible traits.

Answer 9

Phenotype

Question 10

An organism’s genetic makeup, or allele combinations.

Answer 10

Genotype

Question 11

A chart that shows all the possible combinations of alleles that can result from a genetic cross.

Answer 11

Punnett Square

Question 12

Homozygous Dominant

Answer 12

AA

Question 13

Heterozygous

Answer 13

Aa

Question 14

Homozygous Recessive

Answer 14

aa

Question 15

An offspring of many generations that have the same form of a trait.

Answer 15

Purebred

Question 16

An offspring of crosses that has two different alleles for a trait.

Answer 16

Hybrid