Aliens from the planet Ozzz have either red hair, white hair, or pink hair (and

Question

Aliens from the planet Ozzz have either red hair, white hair, or pink hair (and genetic rules similar to those of Earthlings).  There is one race  of Ozzzians, the Red Heads, that marry strictly amongst themselves and are almost all red-heads. There is another race, the White Heads, that are almost all white-haired.   If a Red Head mates with a White Head, the offspring always have pink hair.  Suppose offspring of Red  by White crosses mate.  What will be the outcomes?

a. Always pink

b.  Red half the time and white half the time

c.  Red 1/3 of the time, white 1.3 of the time, and pink 1/3 of the time.

d.  Red 1/4 of the time, white, 1/4 of the time, and pink half the time.

e.  none of the above

Explanation / Answer

d. Red 1/4 of the time, white, 1/4 of the time, and pink half the time.

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