Genetics Vocab Review

Which is heterozygous ?

• Tt

• TT

Which is homozygous ?

• Ee

• EE

What is a phenotype?

• The genetic make up (code or letters)

• The physical appearance of a gene

having two of the same genes for the trait (sometimes called purebred)

• homozygous

• hetrozygous

• protein

• chromosome

An allele whose trait only shows up when no dominant allele is present.

• hidden allele
• dominant allele
• recessive allele
• present allele

An organism's appearance is known as its

• heredity
• phenotype
• genotype
• pedigree

One form of a gene is called_______________

• a DNA
• a Phenotype
• a trait
• an allele

Which of the following is a phenotype?

• Bb
• Black fur

A __________ carries information that determines one of your traits.

• chromosome

• gene

• trait

• Punnett square

Mutations are a change in what?

• DNA
• tRNA
• genotype
• phenotype