The two alternatives for a trait are red and white and red is dominant. However, white is the most common trait. What is the genotype of a homozygous dominant individual?

Question 1

The two alternatives for a trait are red and white and red is dominant. However, white is the most common trait. What is the genotype of a homozygous dominant individual?

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The two alternatives for a trait are red and white and red is dominant. However, white is the most common trait. What is the genotype of a homozygous dominant individual?
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a) RR
b) rr
c) WW
d) ww
e) red

Question 2

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Where the two alternatives for a trait are broad and narrow, and broad is dominant, the phenotype of a homozygous dominant individual would be expressed as

a) BB
b) nn
c) Bn
d) NN
e) broad

Question 3

A genetic disorder caused by a dominant allele is

a) sickle-cell anemia
b) PKU
c) Tay-Sachs disease
d) hemophilia
e) Huntington’s disease

Question 4

One gene can have multiple effects on an organism.

a) True
b) False

Question 5

A trait caused by a recessive autosomal allele will result in a pedigree that shows affected individuals having at least one affected parent.

a) True
b) False

 

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