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sweet [91]
3 years ago
15

A dominant gene (W) produces wire-haired texture in dogs; its recessive allele (w) produces smooth hair. A group of heterozygous

wire-haired individuals are crossed and their F1 progeny are then test-crossed. Determine the expected genotypic and phenotypic ratios among the test cross progeny:
Biology
1 answer:
Marysya12 [62]3 years ago
8 0

Answer: Phenotypic ratio=2:2; Genotypic ratio= 2:2.

Explanation: Test cross is the breeding of an individual with Phenotypically recessive individuals.

Heterozygous wire-haired = Ww

Recessive trait= ww

Test crossing result of offspring= Ww Ww ww ww

Genotypic ratio (genetic composition) = 2:2

Phenotypic ratio= 2:2

2 offsprings are wire-haired and 2 Offspring are smooth-haired.

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