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babymother [125]
3 years ago
14

The ability for people to roll their tongue is dominant to people who cannot. If a tongue roller and a non-tongue roller were cr

ossed, the highest percentage of potential non-tongue roller offspring would be which of the following?
A) 50%
B) 0%
C) 100%
D) 25%
Biology
1 answer:
Juli2301 [7.4K]3 years ago
3 0

Answer:

option A 50%

Explanation:

Ability to roll the tongue is dominant to people who cannot. thus only one copy is needed for the trait to be expressed. Thus, a tongue roller could be XTXT, XTXt or XTY and a non could be XtXt and XtY.

Thus one can have the highest percentage of non-tongue roller to be 50% which is from a cross between a tongue roller male and a non tongue roller female.

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