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eduard
3 years ago
5

A female is homozygous for a recessive trait while the male is homozygous dominant for the same

Biology
2 answers:
AlladinOne [14]3 years ago
7 0

Answer:

Heterozygous means that the father has one dominant gene for tongue-rolling, and one recessive gene for non-tongue-rolling. The mother is homozygous recessive, meaning she has two copies of the non-tongue-rolling gene. This means that every child is guaranteed a non-rolling gene from their mother, and they have a 50% chance of inheriting a rolling gene from their father. Since the rolling gene is dominant, only one copy of the gene is required to show the trait, so the 50% of children with the rolling gene from their father will be able to roll their tongues. The answer is 50% of offspring.

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Natali5045456 [20]3 years ago
3 0

Answer

100 percent

Explanation:

If you cross rr and RR you get four offspring with the trait Rr. Since there is one capital letter, they will all exhibit the dominant trait. Hope this helped!

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