Chicken feather color can be white or colored. A cross between two true-breeding

Question

Chicken feather color can be white or colored. A cross between two true-breeding white chickens produced all white offspring. When these white offspring were crossed they produced 65 white chickens and 15 colored chickens. Using appropriate notations, diagram these crosses. Assign genotypes and phenotypes and explain this resultChicken feather color can be white or colored. A cross between two true-breeding white chickens produced all white offspring. When these white offspring were crossed they produced 65 white chickens and 15 colored chickens. Using appropriate notations, diagram these crosses. Assign genotypes and phenotypes and explain this result

Explanation / Answer

Answer:

Two colors of the chicken feathers given in question

1) White

2) Colored

65: 15 (white : colored)

most of the offsprings are white, so it can be dominant trait in feather and Colored is the recessive trait

A cross between two true-breeding white chickens produced all white offspring

Ww x WW = WW, WW, Ww, WW

all are white.

When these white offspring were crossed they produced 65 white chickens and 15 colored chickens.

Ww x Ww = WW,Ww,wW, ww

            3: 1 ratio is observed, WW is white and ww is colored

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