Standard 3B

Front

What is the phenotypic ratio in a dihybrid cross of complete dominance?

Back

9:3:3:1

Front

What is the genotype of individuals with the phenotype A_?

Back

AA or Aa

Front

If a person has type O blood, what can their genotype be?

Back

ii

Front

What type of genetics allows for more than 2 phenotypes to result from a cross?

Back

Incomplete dominance, codominance, or multiple alleles

Front

What does a circle represent on a pedigree chart?

Back

Female

Front

What does a filled circle represent on a pedigree chart?

Back

Affected female

Front

What does a filled square represent on a pedigree chart?

Back

Affected male

Front

What is the definition of complete dominance?

Back

A genetic scenario where one allele completely masks the effect of another allele.

Front

What is codominance?

Back

A genetic scenario where both alleles in a heterozygote are fully expressed.

Front

What is incomplete dominance?

Back

A genetic scenario where the phenotype of a heterozygote is intermediate between the phenotypes of the two homozygotes.