Genetics Vocab Practice

Front

What is the genotype for someone who is homozygous recessive for blue eyes?

Back

ee

Front

What genotype could a person with brown hair NOT have?

Back

hh

Front

What is a segment of DNA on a chromosome that codes for a specific trait?

Back

a gene

Front

What does it mean to be homozygous for a particular trait?

Back

They have 2 of the same alleles for that trait.

Front

What are different versions of a gene known as?

Back

alleles

Front

What is the dominant allele for brown eyes?

Back

E

Front

What is the recessive allele for blue eyes?

Back

e

Front

If a person has the genotype Hh, what color hair do they have?

Back

Brown hair (dominant trait).

Front

What is the difference between genotype and phenotype?

Back

Genotype is the genetic makeup, while phenotype is the physical expression of a trait.

Front

What does it mean if an organism is heterozygous for a trait?

Back

They have two different alleles for that trait.