In short horned cattle, genes for red $(R)$ and white $( r )$ coat colour occur. Cross between red $(RR)$ and white $(rr)$ produced $(Rr)$ roan. This is an example of
In short horned cattle, genes for red $(R)$ and white $( r )$ coat colour occur. Cross between red $(RR)$ and white $(rr)$ produced $(Rr)$ roan. This is an example of
- A
Incomplete dominance
- B
Codominance
- C
Complementary genes
- D
Epistasis
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Mother $B$ homozygous, father $A$ unknown, therefore, possible blood group in progeny is
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The most popularly known blood grouping is the $ABO$ grouping. It is named $ABO$ and not $ABC$, because ' $O$ ' in it refers to having
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$ABO$ blood grouping is controlled by gene I which has three alleles and show codominance. There are six genotypes. How many phenotypes in all are possible?
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- [AIPMT 2010]
A man of blood group-$A$, marries a woman of blood group-$B$, both of them are heterozygous for blood group, chances of their first child having blood group $AB$ will be
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