1) Plumage colour in mallard ducks is controlled by a number of alleles at one locus. MR is the allele for restricted mallard pattern, M for mallard and m for dusky mallard. The dominance hierarchy is MR>M>m. Determine the genetotypic and phenotypic ratios for the following crosses a) MRMR X MRM b) MRMR X MⓇm c) MⓇM x MⓇm d) MⓇm x Mm e) Mm x mm

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Chapter9: Patterns Of Inheritance
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1) Plumage colour in mallard ducks is controlled by a number of alleles at one locus. MR is the allele for restricted
mallard pattern, M for mallard and m for dusky mallard. The dominance hierarchy is MR>M>m. Determine the
genetotypic and phenotypic ratios for the following crosses
a) MRMR X MRM
b) MRMR X MⓇm
c) MⓇM x MⓇm
d) MⓇm x Mm
e) Mm x mm
Transcribed Image Text:1) Plumage colour in mallard ducks is controlled by a number of alleles at one locus. MR is the allele for restricted mallard pattern, M for mallard and m for dusky mallard. The dominance hierarchy is MR>M>m. Determine the genetotypic and phenotypic ratios for the following crosses a) MRMR X MRM b) MRMR X MⓇm c) MⓇM x MⓇm d) MⓇm x Mm e) Mm x mm
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