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Pedigrees
Test Description: First Pedigree Test
Instructions: Answer all questions to get your test result.
1) The circles on a pedigree represent:
A
Carriers
B
Dominant
C
Males
D
Females
2) The squares on a pedigree represent:
A
Females
B
Twins
C
Carriers
D
Males
3) Lines connecting individuals mean:
A
they share dominant trait.
B
the two had children together.
C
they are recessive.
D
they are brother and sister.
4) If an individual is shaded in that means:
A
they have the trait.
B
they are dominant.
C
they are recessive.
D
nothing special.
5) If a recessive trait shows up in a later generation, that means:
A
both parents had to be carriers.
B
it just happens like that sometimes.
C
it is a mutation.
D
one parent was a carrier.
6) On a pedigree, if the inheritance is X-linked/sex linked:
A
there will be no difference in the amount of males or females
B
it will be hard to tell.
C
females will be affected.
D
males will be affected.
7) Dominant traits:
A
are present in every generation.
B
are hard to distinguish on a pedigree.
C
mean that there are a lot of circle and squares colored in.
D
can skip generations.
8) Recessive traits:
A
show up primarily with males.
B
can skip generations.
C
show up primarily with females.
D
mean that there will be a person with it in each generation.
9) Sometimes pedigrees are called:
A
generational trees.
B
family trees.
C
inheritance maps.
D
inheritance pictures.
10) Sex-linked disorders are:
A
colorblindness, Down Syndrome, and Tay -Sachs.
B
hemophilia, Down Syndrome, and male patterned baldness.
C
Tay-Sachs, colorblindness, and hemophilia.
D
colorblindness, hemophilia, and male patterned baldness.
*select an answer for all questions
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