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WorksheetsGenetics Quiz 2
Total questions: 32
Worksheet time: 3hrs 40mins
A trait that show even if only one allele of that type is present
A trait that requires two alleles of that type to be present
A trait that is requires only one allele of that type o be seen
A trait that requires two of that allele to be seen
Each parent provides what percentage of your traits?
25%
50%
75%
100%
If curly hair is dominant to straight hair - what are all the possible Genotype(s) for curly hair?
hh
HH
Hh
Hh and HH
hh and HH
If Purple Flowers (P) are dominant over white flowers (p), what would the phenotype be for a PP genotype?
Purple flowers
White flowers
Not enough information
If Purple Flowers (P) are dominant over white flowers (p), what would the phenotype be for a Pp genotype?
Purple flowers
White flowers
Not enough information
Choose ALL examples of HETEROZYGOUS genotypes
Tt
tt
RR
Hh
Bb
Choose ALL examples of HOMOZYGOUS genotypes.
TT
hh
Rr
bb
Hh
In cats, a long tail is dominant and a bob-tail is recessive. Which of the following genotypes would have bobtail?
Tt
TT
tt
Tt and TT
tt and TT
What you see, or the physical appearance of a trait.
What is the percent chance of each possible phenotype of the offspring? (A-can wink; a-cannot wink)
50% can wink and
50% can't wink
25% can wink and
75% can't wink
75% can wink and
25% can't wink
0% can wink and
100% can't wink
What belongs in the last box?
RR
Rr
rr
ff
A homozygous dominant brown mouse is crossed with a heterozygous mouse (tan is the recessive color). What is the percent chance of having a tan offspring?
100%
50%
25%
0%
In plants, tall (T) is dominant to short (t). If two heterozygous plants are crossed, what is the probability of producing a short plant?
A heterozygous tall pea plant (Tt) is crossed with a short pea plant (tt). What are the possible genotypes for the offspring?
TT, Tt
Tt, tt
Tt
TT, Tt, tt
A section of DNA that codes for a trait.
gene
chromosome
allele
genotype
The different forms of a gene, ex. blue eyes, brown eyes
gene
chromosome
allele
genotype
In genetics, what does the term "homozygous" refer to?
Having two different alleles for a trait
Having two identical alleles for a trait
The study of genes and their roles in inheritance
A type of genetic cross
The two letter combination of alleles
phenotype
genotype
chromosome
gene
Clara inherited the allele for tongue rolling (T) from her dad, and non tongue rolling (t) from her mom.
Can her DAD roll his tongue?
Can't tell, he could be Tt or tt.
Yes, he has a dominant allele
No, he has a recessive allele.
Can't tell, he could be TT or Tt
Clara inherited the allele for tongue rolling (T) from her dad, and non tongue rolling (t) from her mom.
Can her MOM roll her tongue?
Can't tell, she could be Tt or tt.
Yes, she has a dominant allele
No, she has a recessive allele.
Can't tell, she could be TT or Tt
Philip inherited the allele for cleft chin (C) from his mom, and no cleft chin (c) from his dad.
Does his MOM have a cleft chin?
Can't tell, she could be Cc or cc.
Yes, she has a dominant allele
No, she has a recessive allele.
Can't tell, she could be CC or Cc
Philip inherited the allele for cleft chin (C) from his mom, and no cleft chin (c) from his dad.
Does his DAD have a cleft chin?
Can't tell, he could be Cc or cc.
Yes, he has a dominant allele
No, he has a recessive allele.
Can't tell, he could be CC or Cc
Jana has the genotype RR for righthandedness.
Will her kids be right handed?
Can't tell, they could be Rr or RR.
Yes, they will have a dominant allele
No, they will have a recessive allele.
Can't tell, they could be Rr or rr
Jeff has the genotype dd for no dimples.
Will his kids have dimples?
Can't tell, they could be Dd or DD.
Yes, they will have a dominant allele
No, they will have a recessive allele.
Can't tell, they could be Dd or dd
A dog that is homozygous dominant for its wiry fur is crossed with a heterozygous dog. What are the possible percentages of having offspring with wiry or silky fur?
100% wiry
0% silky
50% wiry
50% silky
75% wiry
25% silky
75% silky
25% wiry
A dog that is heterozygous for its wiry fur is crossed with a silky furred dog. What are the possible percentages of having offspring with wiry or silky fur?
100% wiry
0% silky
50% wiry
50% silky
75% wiry
25% silky
75% silky
25% wiry
