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Offspring genotyping - Omics Help Desk

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  • #49922
    Jhony
    Participant

    The genotype for the father is ‘AA BB cc Dd Gg Ff’
    The genotype for the mother is ‘aa bb cc dd gg ff’

    1) what are the chances of having a child with an ‘aa Cc’ genotype?
    2) what are the chances of having a child with an ‘aa BB Cc Gg Ff’?

    I don’t understand this problem because both parents are recessive homozygous for the gene ‘c’. can someone please explain this to me? how can it be possible?

    #49940
    patyb
    Keymaster

    Look for online calculators of Mandalian genotype inheritance of traits . Look for Punnett Square Calculator.
    But both 1) and 2) are 0% because there was no C allele in either parent.

    #49960
    Carla
    Participant

    I think you’ve miscopied the problem, and perhaps CC is supposed to be the initial parent-type. Additionally, I’d recommend that you lecture your teacher about the impossibility of losing a genotype. The first question is missing 4 genes and the second question is missing 1. Either includes them all or don’t use the same example, you can’t just “lose” a genotype.

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