Awidow’s peak is dominant over a straight hairline. the genotypes of the offspring are ww, ww, ww, and ww. a widow’s peak is dominant over a straight hairline. the genotypes of the offspring are ww, ww, ww, and ww. what are the phenotypes of the offspring? 2 widow’s peak, 2 straight hairline 3 widow’s peak, 1 straight hairline 1 widow’s peak, 3 straight hairline 4 widow’s peak, 0 straight hairline

I think it is A but I just doing the exam right now

answer: this problem has only trivial solutions, with all points on the same line. x=5 or x=7/5.

step-by-step explanation:

there are three triangles, and three unknowns: x, y=length of middle segment, and z=cos(angles marked with red arc).

we need

and law of cosines,

the three equations are

see attached image for solution.

c.

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