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Short tails (T) are dominant to long tails (t). What is the probability of a long-tailed mouse in the cross Tt x tt?
25%
50%
O 75%
O 100%

Sagot :

Answer:

50%

Explanation:

if you do a punnett  square you get two Tt and two tt. so two tt is half, which means half will be long-tailed tt, so 50%

samueladesida43

50% of the mouse offsprings will have long tail.

  • According to this question, a gene coding for tail length in mouse is involved. The allele for short tails (T) are dominant to long tails (t).

  • In a cross between Tt (short tail) × tt (long tail), the following gametes will be produced by each parent:

  1. Tt - T and t
  2. tt - t and t

  • Crossing these gametes in a punnet square (see attached image), the following offsprings of mouse will be produced: Tt, Tt, tt and tt.

  1. Tt (2) = Short tail mice (50%)
  2. tt (2) = long tail mice (50%)

  • Therefore, 50% of the mouse offsprings will have long tail.

Learn more at: https://brainly.com/question/478887?referrer=searchResults

View image samueladesida43
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