NEW
Font size
WorksheetsHSC Biology Module 5 IQ4
Total questions: 29
Worksheet time: 32mins
While observing a litter of guinea pigs, Jack and Jill noticed that they had a variety of brown and white coats. They knew the guinea pigs had the same parents and that they were all from the same litter. Which best explains why they had different coat colors?
they received an exact copy of both parents' DNA
they randomly received DNA from only one parent
the coat color is random and not influenced by parents
they received different combinations of DNA from both parents
Which of the following correctly states the genotype probabilities for the offspring of the parents shown in this punnett square?
50% heterozygous 50% homozygous dominant
50% heterozygous 50% homozygous recessive
50% heterozygous 25% homozygous recessive 25% homozygous dominant
100% heterozygous
Which of the following correctly states the genotype probabilities for the offspring of the parents shown in this punnett square?
50% heterozygous 50% homozygous dominant
50% heterozygous 50% homozygous recessive
50% heterozygous 25% homozygous recessive 25% homozygous dominant
100% heterozygous
Which of the following correctly states the genotype probabilities for the offspring of the parents shown in this punnett square?
50% heterozygous 50% homozygous dominant
50% heterozygous 50% homozygous recessive
50% heterozygous 25% homozygous recessive 25% homozygous dominant
100% heterozygous
The pedigree is tracing the expression of a recessive trait for generations I and II. Both parents carry the trait but only one parent presents the trait.
Based on the information in the pedigree what is the genotype for individual I-1?
hetyerozygous
homozygous recessive
homozygous dominant
none of the provided
The pedigree is tracing the expression of a recessive trait for generations I and II. Both parents carry the trait but only one parent presents the trait.
Based on the information in the pedigree what is the genotype for individual I-2?
hetyerozygous
homozygous recessive
homozygous dominant
none of the provided
The pedigree is tracing the expression of a recessive trait for generations I and II. Both parents carry the trait but only one parent presents the trait.
Based on the information in the pedigree what is the genotype for individual II-3?
hetyerozygous
homozygous recessive
homozygous dominant
none of the provided
The pedigree is tracing the expression of a recessive trait for generations I and II. Both parents carry the trait but only one parent presents the trait.
Based on the information in the pedigree what is the genotype for individual II-2?
hetyerozygous
homozygous recessive
homozygous dominant
none of the provided
If A codes for the tall trait and a codes for the short trait. What is the probability that the offspring between a heterozygous dad and a homozygous short mom will be tall?
0
25
50
75
100
If A codes for the tall trait and a codes for the short trait. What is the probability that the offspring between a heterozygous dad and a heterozygous mom will be tall?
0
25
50
75
100
On this pedigree, the allele for white forelock is dominant. The couple labeled 2 both have white forelock, but have a daughter who does not have curly hair. Which of the following best describes couple 2?
the male is heterozygous and the female is heterozygous.
the male is homozygous recessive and the female is homozygous dominant.
the male is homozygous dominant and the female is heterozygous
the male is heterozygous and the female is homozygous recessive.
Observe the pedigree. What is the most likely genotype for person III-3?
GG because the trait is recessive.
Gg because the trait is recessive
gg because the trait is dominant
Gg because the trait is dominant
Possessing a single copy of the HbS allele (sickle cell carrier) has been shown to provide some resistance to infection by the parasite that causes Malaria. Which of the following individuals in the pedigree would have the greatest selective advantage in an area where malaria is common?
I
II
III
V
When one allele is not dominant over another, resulting in a blended phenotype for heterozygous offspring is considered....
Incomplete Dominance
Codominance
When one allele is not dominant over the other, resulting in both traits expressed in a heterozygous individual.....
Incomplete Dominance
Codominance
Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).
Cross a red flower with a speckled flower. What is the phenotypic ratio?
2 red, 2 speckled
2 red, 2 blue
2 blue, 2 speckled
Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).
Cross a red flower with a blue flower.
1 red, 2 speckled, 1 blue
2 red, 2 blue
4 speckled
1 red, 1 speckled, 2 blue
In mice coat color is incompletely dominant. Black and white are homozygous. Brown mice are heterozygous.
What is the genotype for a brown mouse?
BB
Bb
bb
In cattle red coats are represented as RR, and white coats are represented as WW.
What is the genotype for Roan color?
RR
RW
WW
Which of the following are genotypes for blood type B?
IA IA and IA IB
IB IB and ii
IB IB and IB i
IA IB and IA IB
Which of the following is true about blood type O?
It contains antigen A only.
It contains antigen B only.
It contains both antigen A and antigen B.
It doesn’t contain antigen A or antigen B.
In the image above, what is the percentage of the offspring has the possibility of inheriting blood type O?
0%
25%
50%
100%
Which of the following refers to a complete dominant cross?
One allele completely dominates over the other.
The two alleles are equally seen in the heterozygous genotype.
The two alleles are blended in the heterozygous genotype.
Neither allele is seen in the phenotypes.
In which of the following is the codominant phenotype seen in the offspring?
heterozygous
homozygous recessive
homozygous dominant
none of these
In the image above, the trait for flower color is controlled by codominance. R codes for red flowers and W codes for white flowers. Which of the following correctly reports the phenotypes?
100% red flowers
50% white flowers and 50% pink flowers
50% red flowers and 50% red and white flowers
50% white flowers and 50% red flowers
Which of the following genotypes code for the blood type AB?
IA IA and IA IB
IA IB only
IA IB and IB i
ii only
In an incomplete dominant cross, B codes for red flowers and b codes for white flowers. Which genotype will show white flowers in the phenotype?
BB
Bb
bb
Bb and bb
In an incomplete dominant cross, B codes for red flowers and b codes for white flowers. Which genotype will show pink flowers in the phenotype?
BB
Bb
bb
Bb and bb
