The phenomenon of pleiotropism refers to
- AMore than two genes affecting a single character
- BPresence of several alleles of a single gene controlling a single crossover
- CPresence of two alleles,each of the two genes controlling a single trait
- D$A$ single gene affecting multiple phenotypic expression
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Similar Questions
Write a short note on pleiotropy.
Medium
View SolutionFind the correct statement.
$(1)$ Generally a gene regulates a trait,but sometimes one gene has an effect on multiple traits.
$(2)$ The trait $AB$-blood group of man is regulated by one dominant allele and another recessive allele. Hence it is co-dominant.
$(1)$ Generally a gene regulates a trait,but sometimes one gene has an effect on multiple traits.
$(2)$ The trait $AB$-blood group of man is regulated by one dominant allele and another recessive allele. Hence it is co-dominant.
$A$ : Myotonic dystrophy is caused by a recessive mutant pleiotropic gene.
$R$ : Gene mutation leads to more synthesis of fibrillin proteins.
$R$ : Gene mutation leads to more synthesis of fibrillin proteins.
Medium
View SolutionIn an organism,mutation in a single gene exhibits multiple phenotypic expressions. Identify the underlying genetic mechanism in the above instance.
What is a pleiotropic gene?
Medium
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