Question #6423564Single Choice
Biology
Question
Which of the following genetic situations is an exception to the traditional two-factor genotype determination?
Options
A
A gene with two alleles shows complete dominance in pea plants.
B
A trait in mice is determined by two genes located on different chromosomes, each with two alleles.
C
In a fish species, a gene for scale color has three alleles, and the heterozygous combinations show unique phenotypes.
D
A human genetic disorder is caused by a mutation in a single gene with two alleles following Mendelian inheritance.
Answer & Analysis
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