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WorksheetsGigantic Genetics I Review
Total questions: 60
Worksheet time: 3hrs 0mins
Which of the following is a homozygous genotype? (Select ALL that apply)
AA
Aa
aa
Which of the following is a heterozygous genotype? (Select ALL that apply)
AA
Aa
aa
What is another term for homozygous? (Select ALL that apply)
Purebred
Hybrid
True breeding
What is another term for heterozygous? (Select ALL that apply)
Purebred
Hybrid
True breeding
In monsters, blue hair is dominant to green hair. Which genotype(s) will produce blue hair? (Select ALL that apply)
BB
Bb
bb
In monsters, blue hair is dominant to green hair. Which genotype(s) will produce green hair? (Select ALL that apply)
AA
Aa
aa
Which of the following is a hybrid genotype? (Select ALL that apply)
AA
Aa
aa
Which of the following is a purebred genotype? (Select ALL that apply)
AA
Aa
aa
In hinkypunks (a made-up creature), having 4 tentacles are dominant over 5 tentacles. Which genotype(s) would produce a hinkypunk with 4 tentacles? (Select ALL that apply)
HH
Hh
hh
In hinkypunks (a made-up creature), having 4 tentacles are dominant over 5 tentacles. Which genotype(s) would produce a hinkypunk with 5 tentacles? (Select ALL that apply)
HH
Hh
hh
Having a widow's peak is dominant over a straight hairline. If a person has a widow's peak, which of the following could be their genotype? (Select ALL that apply)
WW
Ww
ww
Having a widow's peak is dominant over a straight hairline. If a person has a straight hairline, which of the following could be their genotype? (Select ALL that apply)
WW
Ww
ww
Which of the following is a true-breeding genotype? (Select ALL that apply)
Which of the following is a homozygous dominant genotype? (Select ALL that apply)
RR
Rr
rr
Which of the following is a homozygous recessive genotype? (Select ALL that apply)
RR
Rr
rr
In the punnett square below, what belongs in the missing square
In the punnett square, what is the probability for white fur?
B - black, b - brown. Two black mice mate and have some black and some brown mice. Which is genotype crosses of the parents could produce these results? (Select all that apply.)
BB x Bb
BB x bb
Bb x Bb
Bb x bb
(Click the picture to see it without the text)
According to the Punnett Square, what is the probability of an offspring being white?
In the Punnett square, what is the probability for white fur?
According to the Punnett Square, what is the probability of an offspring being purple?
A pet store owner has a high demand for white rabbits. If white is recessive to brown fur, which genetic cross between two parents would produce the most white offspring?
BB x Bb
Bb x Bb
BB x bb
bb x bb
Charlotte and Charlie (a spider couple) recently had a hatching of eggs. In their hatching, 160 of their children had black eyes while 142 had red eyes. If black eyes are dominant to red eyes in spiders, then what are the most probable genotypes of Charlotte and Charlie?
BB x BB
BB x Bb
Bb x Bb
Bb x bb
Billy has 3 sisters: Barbara, Bonnie, and Beverly. Billy swears that he was switched at the hospital, because he is the only person in his family (including his parents) with blue eyes. Billy's parents assured him that he was in fact their son using a Punnett square. Which genotypes would the parents have used in their Punnett square to reassure Billy? (Brown eyes are dominant to blue eyes.)
BB x Bb
Bb x Bb
bb x bb
BB x bb
Professor Sprout is harvesting mandrake root. In mandrakes, having 6 leaves is dominant to having 3 leaves. In her most recent harvest, 19 of the plants had 6 leaves and the remaining 7 plants were 3-leaved. What were the genotypes of the first generation of plants?
Ss x Ss
SS x Ss
ss x ss
SS x ss
A group of students are having a lively debate about the relationships between genes, allele, chromosomes and DNA. Which student below has the best argument?
Jim says that chromosomes are found on DNA and that genes are the different forms of an allele.
Justin says that genes are found on chromosomes and that alleles are the different forms of DNA.
June says that genes are a section of DNA, and that multiple genes are found on a chromosome. She also stated that alleles are the different forms of genes.
Jean says that alleles are a section of chromosome, and that multiple alleles are found on a gene. She also stated that chromosomes are the different forms of DNA.
