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Heredity
Test Description: Basic heredity questions
Instructions: Answer all questions to get your test result.
1) The chance that an event will take palce
A
maybe
B
possible
C
probability
2) Genetic engineering has already helped people by
A
eliminating infantdeaths
B
Producing medicine
C
curing Down Syndrome
D
altering pedigrees
3) In a Punnett square, a capital letter (S) stands for a _________ allele.
A
heterozygous
B
sex-linked
C
recessive
D
dominant
4) Color blindness is an expmaple of
A
a genetic disorder
B
incomlete dominance
C
polygenic ingeritance
D
a sex-linked disorder
5) The combination Mm represents a ______________ genotype
A
incomplete
B
heterozygous
C
purebred
D
homozygous
6) An allele carried on a Y chromosome will affect
A
all of the female offspring.
B
all of the male offspring.
C
some of the male and female offspring.
D
none of the offspring.
7) A chromosome disorder occurs when
A
none of the above
B
meiosis fails to occur.
C
a new organism receives more or fewer chromosomes than normal.
D
one nitrogen base has been substituted for another.
8) blood type in humans is an example of
A
polygenic inheritance.
B
incomplete dominance.
C
sex-linked inheritance.
D
multiple alleles.
9) What must be true of a person with cystic fibrosis?
A
Both parents had at least one allele for cystic fibrosis.
B
At least one parent was a carrier for cystic fibrosis.
C
The mother was a carrier for cystic fibrosis.
D
One of the parents had the condition cystic fibrosis.
10) A pure bred red-flowering plant and a pure bred white-flowering plant cross. The offspring produce pink flowers. What pattern of inheritance is this?
A
incomplete dominance
B
polygenic inheritance
C
multiple alleles
D
complete dominance
*select an answer for all questions
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