Punnett Squares Quiz Question Preview (ID: 46091)
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What is the difference between genotype and phenotype?
a) A phenotype is HOW the traits are inherited from the parents and a genotype is the versions of the traits inherited (alleles)
b) A phenotype is the alleles involved (EE, Ee, or ee) and the genotype is how the trait appears or is expressed
c) A phenotype is how the traits are expressed or appear and the genotype is the alleles involved (EE, Ee, or ee)
d) A phenotype is one parent's traits and the genotype is both parents' traits together.
Black fur(B) in guinea pigs is dominant over white fur(b). Find the probability of an offspring with the same phenotype as its parents in a cross between a homozygous black and a heterozygous black guinea pig.
a) 0%
b) 50%
c) 75%
d) 100%
Black fur(B) in guinea pigs is dominant over white fur(b). Find the probability of a white offspring in a cross between two heterozygous guinea pigs.
a) 0%
b) 25%
c) 75%
d) 100%
Black fur(B) in guinea pigs is dominant over white fur(b). Find the probability of a black offspring in a cross: bb x bb.
a) 0%
b) 25%
c) 50%
d) 75%
Black fur(B) in guinea pigs is dominant over white fur(b). Find the probability of a homozygous offspring in a cross: BB x BB.
a) 25%
b) 50%
c) 75%
d) 100%
Black fur(B) in guinea pigs is dominant over white fur(b). Find the probability of a hybrid offspring in the cross: BB x Bb.
a) 0%
b) 25%
c) 50%
d) 75%
A plant species has two alleles for leaf shape: Curly (C) and flat (c). The Curly (C) allele exhibits complete dominance. If a heterozygous curly plant is crossed with a homozygous curly plant, what percentage of their offspring will be homozygous?
a) 0%
b) 25%
c) 50%
d) 75%
A plant species has two alleles for flower color: Red (R) and White (r). The Red (R) allele exhibits complete dominance. If a purebred red flower is crossed with a white flower, what is the chance that the offspring will be red?
a) 0%
b) 50%
c) 75%
d) 100%
How many alleles control a Mendelian trait, such as pea seed color?
a) 2
b) 1
c) 3
d) 4
A plant species has two alleles for flower color: Red (R) and White (r). The Red (R) allele exhibits complete dominance. If a heterozygous red flower and a white flower are crossed, what is the chance that they will have a white flowered offspring?
a) 0%
b) 25%
c) 50%
d) 75%
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