Genetics

Front

What is the genotype of a homozygous dominant organism?

Back

BB

Front

What is the genotype of a heterozygous organism?

Back

Bb

Front

What is the phenotypic ratio of offspring from a monohybrid cross between two heterozygous parents (Tt)?

Back

75% tall and 25% short

Front

What does genotype refer to?

Back

The possible combination of alleles in a gene.

Front

What is the chance of a blue-eyed baby from two brown-eyed parents (Bb)?

Back

25% chance.

Front

Define homozygous dominant.

Back

An organism with two identical dominant alleles (e.g., BB).

Front

Define homozygous recessive.

Back

An organism with two identical recessive alleles (e.g., bb).

Front

What is a monohybrid cross?

Back

A genetic cross between parents that differ in one trait.

Front

What is the definition of a phenotype?

Back

The physical expression of a genotype.

Front

What is the genotypic ratio in a cross between BB and Bb?

Back

50% BB and 50% Bb.