Which of the following is NOT an example of i | vedclass

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(D) Incomplete sex-linkage,also known as pseudo-autosomal inheritance,refers to genes located on the homologous regions of both $X$ and $Y$ chromosome

Vedclass · Accepted Answer

Myopia

Vedclass · Answer

(D) Incomplete sex-linkage,also known as pseudo-autosomal inheritance,refers to genes located on the homologous regions of both $X$ and $Y$ chromosomes. These genes behave like autosomal genes because they can cross over between $X$ and $Y$ chromosomes.$1$. Total colour blindness,Retinitis pigmentosa,and Nephritis are classic examples of traits governed by genes located on the homologous regions of $X$ and $Y$ chromosomes.$2$. Myopia (nearsightedness) is generally considered an autosomal recessive or polygenic trait and is not classified as an incomplete sex-linked trait.Therefore,Myopia is the correct answer.

Column-$I$	Column-$II$
$(A)$ Dominance	$(1)$ Many genes govern a single character.
$(B)$ Co-dominance	$(2)$ In a heterozygous organism, only one allele expresses itself.
$(C)$ Pleiotropy	$(3)$ In a heterozygous organism, both alleles express themselves fully.
$(D)$ Polygenic inheritance	$(4)$ $A$ single gene influences many characters.

Which of the following is $NOT$ an example of incomplete sex-linkage (pseudo-autosomal inheritance)?

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