Basic Heredity Question Preview (ID: 15128)
Heredity.
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What controls the inheritance of traits in an organism?
a) Its acquired traits
b) Its alleles
c) Its choices
d) Its environment
Which of the follwoing shows a heterozygous genotype?
a) tall height
b) Tt
c) tt
d) TT
______________ is the alleles an organism has for a certain trait.
a) DNA
b) Protein
c) Genotype
d) Phenotype
___________ codes for an organisms ___________.
a) phenotype, genotype
b) genotype, alleles
c) genotype, phenotype
d) alleles, genotype
The genotype TT is called _____________.
a) homozygous
b) homozygous dominant
c) homozygous recessive
d) heterozyous
The genotype pp is called ______________.
a) homozygous
b) homozygous dominant
c) homozygous recessive
d) heterozygous
The genotype Cc is called _____________.
a) homozygous
b) homozygous dominant
c) homozygous recessive
d) heterozygous
If tall height is dominant, what are the two possible genotypes for tall plant height?
a) tt, homozygous recessive
b) heterozygous only
c) heterozygous or homozygous dominant
d) tt or Tt
Two parents that CAN roll their tongue produce a child that CANNOT. If tongue rolling is dominant, what must the parents genotype be?
a) tt
b) Tt
c) TT
d) TtTT
Which genetic cross would be expected to produce 100% tall plants? (T=tall, t=short)
a) TT x Tt
b) Tt x Tt
c) TT x tt
d) tt x tt
Heredity is
a) The process by which parents pass characteristics or traits on to their children.
b) Seen in plants, people and other organisms where there are parents and offspring.
c) A way that some diseases and disorders are passed from parents to offspring.
d) All of the options
The passing of traits from parents to offspring is called:
a) hand me downs
b) purebreeding
c) heredity
d) hybridization
An organism with two different alleles for a trait is said to be:
a) recessive
b) hybrid
c) dominant
d) purebred
What would be the results of a genetic cross between parents that have a BB and a Bb?
a) BB, Bb
b) Bb, bb
c) BB, Bb, bb
d) none of the options
What is the possibility of two heterozygous black rabbits of producing white offspring?
a) 100%
b) 50%
c) 25%
d) 0%
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