Early balding is a sex-linked recessive disorder. What is the phenotypic ratio
of an affected female mating with an
unaffected male?

a. 2 XNXn: 2 XnY
b. 2 Carrier female: 2 affected male
c. 2 Unaffected female: 2 affected male
d. 2 XNXN: 2XnY

Many archeologists and anthropologists disagree with dr. thorne's view.  thorne strongly believes that what many calls "homo erectus"  was in fact  homo sapiens,  and that they migrated out of africa almost 2 million years ago and dispersed throughout europe and asia. that's way different  from what scientists have always believed about the evolution of the species.

Yes yes yes very good