Heredity Question Preview (ID: 729)
Basic Heredity Questions.
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The chance that an event will take palce
a) probability
b) possible
c) maybe
d)
Genetic engineering has already helped people by
a) altering pedigrees
b) curing Down Syndrome
c) Producing medicine
d) eliminating infantdeaths
In a Punnett square, a capital letter (S) stands for a _________ allele.
a) heterozygous
b) dominant
c) recessive
d) sex-linked
Color blindness is an expmaple of
a) polygenic ingeritance
b) a genetic disorder
c) a sex-linked disorder
d) incomlete dominance
The combination Mm represents a ______________ genotype
a) homozygous
b) incomplete
c) purebred
d) heterozygous
An allele carried on a Y chromosome will affect
a) all of the female offspring.
b) all of the male offspring.
c) none of the offspring.
d) some of the male and female offspring.
A chromosome disorder occurs when
a) one nitrogen base has been substituted for another.
b) meiosis fails to occur.
c) none of the above
d) a new organism receives more or fewer chromosomes than normal.
blood type in humans is an example of
a) incomplete dominance.
b) sex-linked inheritance.
c) multiple alleles.
d) polygenic inheritance.
What must be true of a person with cystic fibrosis?
a) Both parents had at least one allele for cystic fibrosis.
b) The mother was a carrier for cystic fibrosis.
c) At least one parent was a carrier for cystic fibrosis.
d) One of the parents had the condition cystic fibrosis.
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) polygenic inheritance
b) complete dominance
c) incomplete dominance
d) multiple alleles
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