Multiple Choice
What type of inheritance is demonstrated when two alleles result in a blending of traits in the offspring?
13. Mendelian Genetics
Incomplete Dominance vs. Codominance
Back13. Mendelian Genetics
Incomplete Dominance vs. Codominance
- Multiple ChoiceFlower color in snapdragons is an example of incomplete dominance. When a red-flowered plant is crossed with a white-flowered plant, the F1 generation has pink flowers. If a pink-flowered plant is crossed with another pink-flowered plant, the progeny plants will be __________.2views
- Multiple ChoiceWhich of the following human genetic conditions is an example of incomplete dominance?1views
- Multiple ChoiceWhich of the following is an example of codominance in genetic traits?
- Multiple ChoiceHow is a codominant trait expressed in an organism?1views
- Multiple ChoiceHuman blood groups are governed by three alleles: IA, IB, and i. IA and IB are codominant and i is recessive to both. A man who has type B blood and a woman who has type A blood could have children of which of the following phenotypes?
- Multiple Choice
You cross two true breeding lines of petunia. One produces red flowers and the other white flowers. The F1
offspring all show pink flowers. You conclude from this that:
2views - Multiple ChoiceA red bull is crossed with a white cow and all of the offspring are roan, an intermediate color that is caused by the presence of both red and white hairs. This is an example of genes that are __________.2views
- Multiple ChoiceWhich trait is an example of incomplete dominance in humans?
- Multiple ChoiceWhat type of inheritance results in the expression of both A and B antigens in type AB blood?1views
- Multiple Choice
A gene for the MN blood group has codominant alleles M and N. If both children in a family are of blood type M, which of the following situations is possible?
1views - Multiple ChoiceWhich of the following terms means that two alleles combine and create a blended physical trait?1views
- Multiple ChoiceHow many different phenotypes can be produced by a pair of codominant alleles?
- Multiple ChoiceHow does codominance at the molecular level help to explain why evolutionary processes haven't resulted in the elimination of the sickle-cell allele among people of African descent?2views
- Multiple ChoiceWhich of the following matings cannot produce a child with blood type O? The letters refer to blood types (phenotypes).1views