Genetics Practice 3 Question Preview (ID: 49487)
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Trure or False? Asexual reproduction requires only 1 parent.
a) True
b) False
c)
d)
True or False? In asexual reproduction, the offspring is identical to the parent.
a) True
b) False
c)
d)
True or False? Sexual reproduction requires 1 parent.
a) True
b) False
c)
d)
True or False? With sexual reproduction, the offspring are different from the parent.
a) True
b) False
c)
d)
When two desirable traits are crossed, such as sweet grapes crossed with seedless grapes to produce sweet, seedless grapes, this is an example of
a) selective breeding.
b) self pollination.
c) heterozygous.
d) asexual reproduction.
A baby mouse is born with a black coat. Black is the dominant color. What genes did the baby bear received from its parents?
a) Recessive white gene from one parent and no gene from the other parent
b) Recessive white gene from one parent and recessive white gene from the other parent
c) Dominant black gene from one parent and no gene from the other parent
d) Dominant black gene from one parent and a recessive white gene from the other parent
A heterozygous black cat is crossed with a white cat. Black fur is dominant over white. What is the probability that an offspring will have black fur? (Make a Punnett Square)
a) 25%
b) 50%
c) 75%
d) 100%
Traces the occurrence of a trait through generations of a family.
a) Punnett Square
b) Family Tree
c) Pedigree
d) Timeline
Male chromosomes are represented by...
a) XX
b) XY
c)
d)
True or False? The 3 components of a nuleotide are a base, a phosphate group and a sugar.
a) True
b) False
c)
d)
Who proposed the double helix model of DNA?
a) Gregor Mendel
b) Barbara McClintock
c) George Beadle
d) James Watson and Francis Crick
Adenine always pairs with ___________ in DNA.
a) Cytosine
b) Thymine
c) Guanine
d)
Cytosine always pairs with __________ in DNA.
a) Guanine
b) Thymine
c) Adenine
d)
Describe the structure of DNA.
a) A crazy eight.
b) A parallelogram.
c) A twisted ladder.
d) A trapezoid.
True or False? A ratio is an expression that compares two quantities.
a) True
b) False
c)
d)
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