Chamberlain University College of Nursing, BIOS 133,Understanding Genetics: Dominance, Inheritance & Prob,

Question 1 point
Attempt Score: - 100 %
Low pitched male voices (RR) and a high pitched male voice (rr). Heterozygotes have a baritone
voice. This is an example of .

QUESTION # options:

incomplete dominance

codominance

Mendelian genetics (dominance and

recessive multiple alleles



QUESTION # 2 points

The allele for widows peak (H) is dominant for the allele for no widows peak (h). At a different gene
locus, the allele for hitchhikers thumb (D) is dominant to the allele for non-hitchhikers thumb (d). A
man is heterozygote for the traits and marries a woman who has no widows peak and is heterozygote
for hitchhikers thumb. What is the man's genotype?

QUESTION #
options:

HHDD

HhDd

HHdd

hhDD

hhdd



QUESTION # 3 points

In a monohybrid cross from heterozygous parents, of the offspring would be what genotypes? Select
all that apply.

QUESTION # options:

Homozygous recessive

Homozygous dominant

Heterozygotes

Homozygous recessives




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