The father of Mr. Spock, first officer of the starship Enterprise, came from pla

Question

The father of Mr. Spock, first officer of the starship Enterprise, came from planet Vulcan; Spock's mother came from Earth. A Vulcan has pointed ears (determined by allele P), adrenals absent (determined by A), and a right-sided heart (determined by R). All these alleles are dominant to normal Earth alleles. The three loci are autosomal, and they are linked as shown in this linkage map:

If Mr. Spock marries an Earth woman and there is no (genetic) interference, what proportion of their children will have

a.

Vulcan phenotypes for all three characters?

b.

Earth phenotypes for all three characters?

c.

Vulcan ears and heart but Earth adrenals?

d.

Vulcan ears but Earth heart and adrenals

Explanation / Answer

a.

   Vulcan phenotypes for all three characters?

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