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app.sophia.org$/$spcc$/$human$-$biology$-2-$milestone$-6-1/8$

V

UNIT $6-$ MILESTONE $6$

$1$

$2$

$3$

Bert has blonde hair $($b$).$ Molly has brown hair $($B$),$ but her genotype is Bb $,$ meaning she carries a recessive blonde allele.

What is the likelihood of Bert and Molly's second child having brown hair?

$100\%$

$50\%$

$25\%$

$75\%$

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