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If a recessive trait shows up in a later generation, that means:
males will be affected.
Males
both parents had to be carriers.
family trees.
they have the trait.
the two had children together.
are present in every generation.
Females
If an individual is shaded in that means:
males will be affected.
Males
both parents had to be carriers.
family trees.
they have the trait.
the two had children together.
are present in every generation.
Females
Sometimes pedigrees are called:
males will be affected.
Males
both parents had to be carriers.
family trees.
they have the trait.
the two had children together.
are present in every generation.
Females
Lines connecting individuals mean:
males will be affected.
Males
both parents had to be carriers.
family trees.
they have the trait.
the two had children together.
are present in every generation.
Females
On a pedigree, if the inheritance is X-linked/sex linked:
males will be affected.
Males
both parents had to be carriers.
family trees.
they have the trait.
the two had children together.
are present in every generation.
Females
The circles on a pedigree represent:
males will be affected.
Males
both parents had to be carriers.
family trees.
they have the trait.
the two had children together.
are present in every generation.
Females
The squares on a pedigree represent:
males will be affected.
Males
both parents had to be carriers.
family trees.
they have the trait.
the two had children together.
are present in every generation.
Females
Dominant traits:
males will be affected.
Males
both parents had to be carriers.
family trees.
they have the trait.
the two had children together.
are present in every generation.
Females
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