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Review Unit 9.2: Inheritance Of Mutations
Test Description: This is a review before the test on Unit 9=Mutations, Change, Diversity
Instructions: Answer all questions to get your test result.
1) Which one is NOT true of 'Sex-Determination'?
A
There is 50/50 chance of producing either gender.
B
XX= Female and XY=male
C
It is an 'X-Linked' Trait
D
The X and Y chromosomes decide the gender.
2) Which one is NOT true of 'X-Linked' traits?
A
Most likely to affect males
B
Are cancelled by Y-linked traits
C
Can be dominant or recessive.
D
Passed on by the X-chromosome
3) Which on is NOT true of Autosomal mutations?
A
Affect the parent but not the offspring
B
A mutation that is passed on by the sex-cells
C
Skin cancer is an example of one.
D
A mutation of the body(somatic) cells.
4) Which one is NOT true of a Germline mutation?
A
Parent is not affected but offspring is.
B
Mutation is passed on through sex-cells
C
Body(somatic) cells are mutated
D
All X-linked mutations are Germline mutations
5) What is a pedigree?
A
A photomicrograph of the chromosomes of a human.
B
A chart or diagram used to trace inheritance patterns in a family.
C
A tool used by geneticists to predict the ratio of possible phenotypes in the offspring.
D
All of the above
6) In a pedigree, a square represents...
A
a female
B
a child
C
a mutation
D
a male
7) In a pedigree, a circle represents...
A
a male
B
a female
C
a child
D
a mutation
8) In a pedigree, a shaded in shape represents...
A
an affected individual
B
an offspring
C
a child
D
a normal individual
9) In a pedigree, and unshaded shape represents...
A
an affected individual
B
a parent
C
an offspring
D
a normal individual
10) An idividual with the genotype XbY, would look like this in a pedigree.
A
a circle that is shaded in.
B
a square that is shaded in
C
a square that is unshaded
D
a circle that is unshaded
*select an answer for all questions
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