1. Which of the following is NOT true? Select one: a. Three or more different alleles...
1. Which of the following is NOT true?
Select one:
a. Three or more different alleles may be present for a given gene in a population.
b. Three or more different alleles may be present for a given gene in a healthy human.
c. The activity of one gene, in some circumstances, can affect the activity of a different gene.
d. Alleles of many human genes do not show full dominance/recessiveness.
Homework Answers
Option (b) is not correct. The reasons are as follows
a) True Three or more allele can be present for a given gene in a population. For example gene for human blood group have three allele A,B and i , present in various combination in human population (Multiple Allelism)
b) NOT TRUE Each cell of an organiam contain only two allele for a given gene. So an individual can not have more than two allele for the same gene.
c) True In epistasis condition activity of one gene affect the activity of other gene.
d) True Alleles of many human genes do not show full dominance/recessiveness. Some gene shows CoDominance for example in ABO blood group.
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