Punnett Square Genetics

Front

What is PHENOTYPE?

Back

The physical trait of an organism.

Front

What type of inheritance pattern occurs when a tall plant (TT) is crossed with a short plant (SS) resulting in a medium plant (TS)?

Back

Incomplete Dominance.

Front

Which of the following represents alleles for the heterozygous genotype? (Aa, aa, AA)

Back

Aa.

Front

Which of the following represents alleles for the homozygous dominant genotype? (Aa, aa, AA)

Back

AA.

Front

If A = red fur and a = white fur, what color fur would AA be? (COMPLETE DOMINANCE)

Back

Red.

Front

What is an allele?

Back

An allele is a variant form of a gene.

Front

Define genotype.

Back

Genotype is the genetic make-up of an organism.

Front

What is the difference between homozygous and heterozygous?

Back

Homozygous means having two identical alleles for a trait, while heterozygous means having two different alleles.

Front

What does it mean if a trait is dominant?

Back

A dominant trait is one that will express itself in the phenotype even if only one allele is present.

Front

What does it mean if a trait is recessive?

Back

A recessive trait is one that will only express itself in the phenotype if two copies of the allele are present.