Unit 2 Review: Genetics

Heredity is the passing of traits from _____________________ to _____________________

• offspring to parents

• males to females

• parents to offspring

• left to right

The passing of traits from parents to offspring

• genetics

• heredity

• punnett aquares

• DNA

What is a segment of DNA called?

• chromosome

• gene

• dominant trait

• nucleus

Factors that control your traits? (Like eye color)

• recessive

• genes

• parents

• purebred

What is a chromosome?

• a characteristic that can be passed down

• a segment of DNA

• a structure found in the nucleus of a cell that contains DNA

• different forms of a gene

An organism that has two different alleles for a trait is called?

• trait

• hybrid

• homozygous

• purebred

An organism that has two of the same alleles for a trait is called?

• different

• hybrid

• heterozygous

• homozygous

An organism's phenotype is its?

• physical makeup

• genetic makeup

• same

• different

An organism's genotype is its?

• physical makeup

• genetic makeup

• same

• different

If the trait short is recessive, which of the following would be the genotype?

• TT

• Tt

• tt

• short