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illfavor illfavor
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11 years ago
What type of cross could be used to determine the genotype of a parent with a domiant phenotype?
A a homozygous cross
B a test cross
C a heterozygous cross
D a parental cross
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wrote...
11 years ago
CCCCCCCCCCCCCCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCCCCCCCCCCCCCC CCCCCCCCCCCC `100%
wrote...
11 years ago
B a test cross

unknown dominant phenotype cross with homozygous recessive

if unknown dominant is homozygous all offsprings dominat,

if unknown dominant is hetrozygous phenotypic ratio 1:1
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