When homozygous yellow mutant rats [J] are crossed with homozygous black mutant rats [N], all F1 is grey [G]. In F2, we obtain 10 [J], 28 [G], 8 [N] and 2 light individuals. Tick the plausible explanation(s): O O O O O O the allele responsible for the grey colour is dominant over the alleles responsible for the black and yellow colour no genetic interaction here, the 2 genes act independently no genetic interaction here, it is a monohybridism with one allelic series no correct answer the allele responsible for the yellow colour is epistatic on the gene responsible for the black colour the allele responsible for the black colour is epistatic on the gene responsible for the grey colour

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Chapter9: Patterns Of Inheritance
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When homozygous yellow mutant rats [J] are crossed with homozygous black mutant rats [N], all F1
is grey [G]. In F2, we obtain 10 [J], 28 [G], 8 [N] and 2 light individuals. Tick the plausible
explanation(s):
O
O
O
the allele responsible for the grey colour is dominant over the alleles responsible for the
black and yellow colour
no genetic interaction here, the 2 genes act independently
no genetic interaction here, it is a monohybridism with one allelic series
no correct answer
the allele responsible for the yellow colour is epistatic on the gene responsible for the black
colour
the allele responsible for the black colour is epistatic on the gene responsible for the grey
colour
Transcribed Image Text:When homozygous yellow mutant rats [J] are crossed with homozygous black mutant rats [N], all F1 is grey [G]. In F2, we obtain 10 [J], 28 [G], 8 [N] and 2 light individuals. Tick the plausible explanation(s): O O O the allele responsible for the grey colour is dominant over the alleles responsible for the black and yellow colour no genetic interaction here, the 2 genes act independently no genetic interaction here, it is a monohybridism with one allelic series no correct answer the allele responsible for the yellow colour is epistatic on the gene responsible for the black colour the allele responsible for the black colour is epistatic on the gene responsible for the grey colour
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