You are creating a pedigree to trace freckles, a recessive trait, in a friend's family. You find out which of her family members have freckles and which do not. When you complete the pedigree, what can you learn about members of your friends family that you could not tell just by looking at them.

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Edgar Ward

1 February, 04:40

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Dominick Harvey · Answer 1

You can learn not only who shows the trait, in this case freckles, but you also can see who in the family is a carrier and who isn't.