13. Mendelian Genetics
Test Crosses
Multiple Choice
Multiple ChoiceWhat is indicated when a single-character testcross yields offspring that all have the dominant phenotype?
A
The parent with the dominant phenotype was heterozygous.
B
Epistasis has occurred.
C
The alleles are codominant.
D
Both parents are heterozygous.
E
The parent with the dominant phenotype was homozygous.
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