Punnett Squares

Front

What is the physical appearance of an organism called?

Back

Phenotype

Front

What do we call the genetic makeup of an organism?

Back

Genotype

Front

What is the term for having two identical alleles for a trait?

Back

Homozygous

Front

What is the term for having two different alleles for a trait?

Back

Heterozygous

Front

If G = green and g = yellow, what is the genotype for a green plant?

Back

GG or Gg

Front

If G = green and g = yellow, what is the genotype for a yellow plant?

Back

gg

Front

Which of the following is a phenotype: Aa, red hair, heterozygous, DNA?

Back

red hair

Front

What does genotype refer to?

Back

The possible combination of alleles in a gene.

Front

What is the dominant allele in the pair Gg?

Back

G (green is dominant over yellow)

Front

If a plant has the genotype Gg, what is its phenotype?

Back

Green