If an individual has a recessive phenotype for a particular trait, it can be concluded that
A) both parents also had a recessive phenotype for that trait.
B) only one parent had a recessive phenotype for that trait.
C) both parents were homozygous for the dominant gene for that trait.
D) each parent had at least one recessive gene for that trait.
E) both A and C
Question 2
The two genes, one on each chromosome of a pair, that control the same trait are called
A) dominants.
B) phenotypes.
C) genotypes.
D) gametes.
E) alleles.
A sod house in North Dakota, 1896. Individual “bricks” of sod were hewn from the ground and stacked
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A pedigree showing the inheritance of a trait through several generations of a family.
Heterozygote Frequencies for Recessive Traits
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