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29 February, 05:13

Let P = purple flowers and p = white, and T = tall plants and t = dwarf. What combinations of gametes could be produced by a heterozygote for both the traits?

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  1. 29 February, 08:27
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    The combinations of gametes that could be produced from heterozygous individuals for both traits are PT, Pt, pT and pt.

    Explanation:

    An individual is heterozygous for two traits, flower color and stem height, with a PpTt (dihybrid) genotype and a phenotype showing the dominant traits, purple flowers and tall stem.

    The genes of this individual for the above-mentioned traits contain different alleles, and taking into account the independent segregation of characters, the alleles present in its gametes could be:

    Both dominant alleles: PT One dominant and one recessive allele Pt or pT Both recessive alleles: pt

    Therefore, the traits of its offspring will depend on the alleles for those traits present in the gamete to which they are combined.
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