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BiologyBiology
18 April, 19:38

Si se cruza una vaca de piel con manchas heterocigota, sin cuernos, con un toro de piel con manchas homocigota con cuernos heterocigota.

La ausencia de manchas y de cuernos se presenta en estado recesivo.

A. Cuál es la probabilidad de obtener un ternero sin manchas con cuernos?

B. Cuál es la posibilidad de obtener un ternero con manchas y cuernos?

C. Cuál es la posibilidad de obtener un ternero sin manchas ni cuernos?

D. Cuál es la posibilidad de obtener un ternero con manchas sin cuernos?

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Answers (1)
  1. 18 April, 21:20
    0
    The answers to these questions are the following:

    A - The chances to have a spotless animal with horns is 0 % because the father is a spotted animal (homozygous) and this trait is dominant

    B - The chances to have a spotted animal with horns is 75 % because the father has horns (heterozygous) and this trait is dominant

    C - The chances to have a spotless animal without horns is 0 % because the father is a spotted animal (homozygous) and this trait is dominant

    D-The chances to have a spotted animal without horns is 50% because the father has horns (heterozygous) and this trait is dominant
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