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16 January, 04:37

In northeastern Narnia there is a creature known as a chromocat. It comes in three colors, blue, red, and purple. This trait is controlled by a single locus gene with incomplete dominance. A homozygous (BB) individual is blue, a homozygous (bb) individual is red, and a heterozygous (Bb) individual is purple. What would be the genotypes and phenotypes of the offspring if a blue chromocat were crossed with a red chromocat?

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  1. 16 January, 08:22
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    Genotype: all Bb

    Phenotype: all purple

    Explanation:

    Blue color chromocat will have the genotype BB.

    Red color chromocat will have the genotype bb.

    If the two are crossed:

    BB x bb = Bb, Bb, Bb and Bb

    All the offspring will have a genotype of Bb.

    A genotype of Bb has a phenotype color of purple.

    Hence:

    The genotype of all the offspring will be Bb.

    The phenotype of all the offspring will be purple.
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