Heredity Review

A genotype refers to the...

• Homozygous

• Genes

• physical appearance

• heterozygous

The phenotype is the...

• genes

• alleles

• physical appearance

• heterozygous

If two alleles are different from each other (Bb), then they are...

• homozygous dominant

• homozygous recessive

• the same

• heterozygous

When two alleles are blended together, then the pattern of inheritance is what?

• complete dominance

• incomplete dominance

• codominance

• complete recessive

Dihybrid crosses involve 2 _______________ traits.

• linked

• similar

• unlinked

• of the same

I^Ai is the genotype for what blood type?

• homozygous type A

• heterozygous type A

• homozygous type O

• heterozygous type O

How many PAIRS of chromosomes do humans have?

• 2

• 46

• 23

• 96

What pattern of inheritance occurs between blood types A and B?

• incomplete dominance

• complete dominance

• recessive

• codominance

If two unaffected parents give rise to an affected offspring, then what type of trait is being tracked?

• recessive

• dominant

• homozygous

• heterozygous

If two affected parents give rise to an unaffected child, then the trait is considered...

• recessive

• dominant

• homozygous

• heterozygous