Mouse pigmentation is subject to epistasis of the b alleles by the d alleles. b (black) is dominant over b (brown), and d is dominant over d. homozygous d is epistatic to the black and brown genes. given this information, what will result from a f1 cross between two mice?

An F1 cross between two mice will result in progeny of black, brown and white.

Explanation:

In particular, the progeny will be:

9/16 black

3/16 brown

4/16 white

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]

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