WorksheetsGenetics Punnett, Dihybrid Cross, Incomplete and Codominance
Total questions: 18
Worksheet time: 23mins
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 two speckled flowers.
1 red, 2 speckled, 1 blue
2 red, 2 blue
2 blue, 2 speckled
1 red, 1 speckled, 2 blue
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
Radish color is completely dominant, red and white are pure breeding colors. While heterozygous are purple.
Cros a red radish with a white.
4 purple
1 red, 2 purple, 1 white
2 red, 2 white
1 red, 1 purple, 2 white
Radish color is completely dominant, red and white are pure breeding colors. While heterozygous are purple.
Cros a red radish with a purple.
4 purple
1 red, 2 purple, 1 white
2 red, 2 purple
1 red, 1 purple, 2 white
Radish color is completely dominant, red and white are pure breeding colors. While heterozygous are purple.
Cros a white radish with a purple.
4 purple
1 red, 2 purple, 1 white
2 purple, 2 white
1 red, 1 purple, 2 white
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
What are the blood types of the possible children that a woman (type O) and man (type AB) can have?
O and AB
O and A
O and B
A and B
There are multiple alleles for the ABO blood group. Why are only two of these alleles present in any one individual?
Each parent contributes only one allele for the ABO blood group to the offspring.
There are not enough nucleotides in a red blood cell to produce a third allele.
Each allele in the ABO group must be dominant or recessive
Blood group alleles are not segregated during meiosis.
A personal with type AB blood has which genotype?
type A
AA
IAIA
IAIB
Which term(s) best describes the inheritance of human blood types?
incomplete dominance and multiple alleles
codominance and epistasis
codominance and multiple alleles
incomplete dominance and codominance
A man with type O blood is accused of being the father of a type B baby. The mother is type A. Could this man be the father?
Yes
No
