Genetics Vocabulary

Heterozygous

• FF

• Ff

• ff

Blue eyes

• Genotype

• Phenotype

A trait that masks another trait is

• dominant

• recessive

• strange

Which of the following are examples of phenotypes for people? (choose all correct answers)

• brown eyes

• freckles

• BB

• Ff

• hitchhicker's thumb

Choose ALL examples of HETEROZYGOUS genotypes

• Tt

• tt

• RR

• Hh

• Bb

Choose ALL examples of HOMOZYGOUS genotypes.

• TT

• hh

• Rr

• bb

• Hh

Having genes that make you more likely to be good at sprinting is an aspect of

• genotype

• phenotype

Different forms of a characteristic are called

• genes

• traits

• jeans

• jeens

The allele that is weaker and can be covered up by a stronger gene is

• dominant

• recessive

• chromosome

• brown

______________ are sections of a chromosome that control a single trait.

• genes

• alleles

• jeans

• shirts