Genetics Question Preview (ID: 26606)
Genetics Vocabulary.
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Who is the father of genetics?
a) Mendel
b) Darwin
c) Hooke
d) Schwann
The weaker gene for a trait
a) recessive
b) dominant
c) heterozygous
d) none of these
The stronger gene for a trait
a) dominant
b) recessive
c) purebred
d) none of these
Heterozygous means the genes in a pair are _____________.
a) different
b) same
c) purebred
d) none of these
Homozygous means the genes in a pair are ______________
a) same
b) different
c) heterozygous
d) hybrid
Which of the following is an inherited trait?
a) eye color
b) language
c) long hair
d) broken arm
What is another word for hybrid?
a) heterozygous
b) homozygous
c) dominant
d) recessive
How many genes does an offspring recieve for each trait?
a) At least 2
b) 4
c) 6
d) 8
When two traits go walking the ______ one does the talking.
a) big
b) little
c) dog
d) none of these
Phenotype refers to the way it ____________
a) looks
b) smells
c) hides
d) none of these
The gene pair is called the ____________.
a) genotype
b) phenotype
c) cell theory
d) genetics
The study of genetics is ___________.
a) heredity
b) evolution
c) osmosis
d) diffusion
If B is brown and b is black, which genotype would show a black dog?
a) bb
b) Bb
c) BB
d) none of these
If black (B) is dominant over white (b) what percentage of rabbits would have black fur if a hybrid rabbit mated with a purebred white rabbit?
a) 50
b) 25
c) 100
d) 75
In pea plants, the tall trait is dominant. If a purebred tall plant crosses with a hybrid tall plant, the offspring will be
a) all tall
b) all short
c) 75 % short
d) 50% tall
When scientist alter the genetic code of an organism, it is called
a) genetic engineering
b) pedigree
c) botany
d) none of these
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