Questions
When a single gene product exhibits multiple phenotypic expression. It is called:
a
Polygenic gene
b
Pleiotropic gene
c
Multiple allelic gene
d
Duplicate gene
detailed solution
Correct option is B
A single gene can exhibit multiple phenotypic expression. Such a gene is called a pleiotropic gene. The underlying mechanism of pleiotropy in most cases is the effect of a gene on metabolic pathways which contribute towards different phenotypes.Talk to our academic expert!
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The shape of seed and starch grain size in Pisum sativumis controlled by gene Bb, so the inheritance of seed shape shows ______ relationship, while the inheritance of starch grains show ________
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