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Juli2301 [7.4K]
3 years ago
5

Not a question, but thank you for helping me pass biology! I'm now an 11th grader!! Thank you so much everyone!

Biology
1 answer:
Vlad1618 [11]3 years ago
6 0

Answer  No problem! Glad to help!

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magine you are trying to determine the phenotypic ratio of hair color. Brown (B) hair color is the dominant trait and blonde (b)
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Answer:

1:1 (brown:blonde)

Explanation:

Brown hair color (B) is dominant over blonde hair color (b).

Heterozygous parent will have the genotype Bb

Homozygous recessive parent will have the genotype bb.

Crossing hetezygous parent with homozygous recessive parent:

Bb   x   bb

Progeny: Bb, Bb, bb, and bb.

2 Bb brown hair

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Phenotypic ratio = 1:1 (brown:blonde)

The correct answer is  1:1 (brown:blonde).

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