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Question : The gene for red hair is recessive to the gene for black hair. What will be the hair colour of a person if he inherits a gene for red hair from his mother and a gene for black hair from his father ? Form the flow chart of this cross.

Answer»

Solution :Given that
RED HAIR- Recessive `therefore` bb.
BLACK hair - DOMINANT `therefore` BB.
his person inherits one recessive gene (b) from mother and a dominant gene (B) from father ie-,

Hence, this person will have black hair as he is heterozygous for black.


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