Intro to Genetics

The capital letter in a trait stands for the...

• dominant allele

• recessive allele

A lowercase letter in a set of traits stands for the...

• dominant allele

• recessive allele

A trait that is written with two capital letters (AA) or two lowercase letters (aa) are known as...

• heterozygous

• homozygous

A trait that is written with one capital and one lowercase letter (Aa) is known as...

• heterozygous

• homozygous

A long haired cat (HH) is crossed with a short hair cat (hh). Which option represents a possible phenotype (physical) of an offspring?

• long hair

• Hh

A long haired cat (HH) is crossed with a short hair cat (hh). Which option represents a possible genotype (genetic) of an offspring?

• short hair

• Hh

Which option would be considered heterozygous?

• Tt

• TT

• tt

Which option would be considered homozygous dominant?

• Dd

• DD

• dd

Which option would be considered homozygous recessive?

• Rr

• RR

• rr

A Brown eyed father (Bb) is crossed with a blue eyed mother (bb) complete the Punnett Square to determine the offspring.