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25 April, 02:21

A homozygous milk chocolate easter bunny is crossed with a homozygous dark chocolate easter bunny. assuming dark chocolate is dominant over milk chocolate and the traits segregate according to mendelian genetics, which traits will the offspring express?

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  1. 25 April, 04:25
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    Given:

    Parental generation

    H omozygous dark chocolate easter bunny (WW) = dominant

    Homozygous milk chocolate easter bunny (ww) = recessive

    According to Mendel law of segregation

    Phenotype Homozygous dark x Homozygous milk

    Genotype WW ww

    Gametes W, W w, w

    F1 generation Ww, Ww, Ww, Ww

    Result:

    All are heterozygous dark chocolate easter bunny (Ww).

    F1 x F1

    Phenotype Heterozygous dark x Heterozygous dark

    Genotype Ww Ww

    Gametes W, w W, w

    F2 generation WW, Ww, Ww, ww

    Result:

    Homozygous dark (WW) = 1

    Heterozygous dark (ww) = 2

    Homozygous milk (ww) = 1
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