karen and her brother both have a straight hairline, but her parents and sister all have a widow’s peak. complete the punnett square that shows karen’s family

(see explanation)

Explanation:

Let's say we have an H for "hairline." H is widow's peak, and h is straight hair

    H    h

H  HH   Hh

h   Hh   hh

There is a 25% chance that the offspring will have straight hair.

the parents both have Hh genes

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.