Questions
Select the odd statement w.r.t. polygenic inheritance.
a
The phenotype reflects the contribution of each allele, i.e., the effect of each allele is additive.
b
Besides involvement of multiple genes it also takes into account the influence of environment.
c
Polygenic traits show distinct alternate forms in their occurrence and they are not spread across a gradient.
d
Human skin colour is a classic example of polygenic inheritance.
detailed solution
Correct option is C
Polygenic traits are not so distinct in their occurrence and are spread across a gradient. For example, in humans we don’t just have tall or short people as two distinct alternatives but a whole range of possible heights. Such traits are generally controlled by three or more genes and are thus called as polygenic traits.Talk to our academic expert!
Similar Questions
Which of the following is an example of polygenic inheritance?
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