Punnett Squares

Which genotype is homozygous?

• Hh

• Ww

• DD

• Tt

What genotype is heterozygous?

• PP

• TT

• SS

• Bb

What is a synonym for hybrid

• homozygous

• heterozygous

• purebred

What does hybrid mean in context to Punnett Squares?

• A mix of dominant and recessive alleles

• Both dominant alleles

• Both recessive alleles

What is a synonym for purebred?

• hybrid

• heterozygous

• homozygous

• allele

What does purebred mean in the context of Punnett Squares?

• a mix of dominant are recessive alleles

• both alleles are the same

• hybrid

Which is a dominant allele?

• D

• d

• t

• g

Which is a recessive allele?

• M

• R

• Y

• d

Genotype refers to what?

• The physical appearance of a trait.

• cell division

• The number of chromosomes

• the genes an organism has. For one trait, we use specific letters to represent the dominant and recessive alleles

What is a phenotype?

• The letter combination that are used to label the different forms of a gene

• The physical traits an organism has due to it's genes

• The percentage change for a trait in the offspring

• none of the above