Which of the following is an example of quali | vedclass

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(D) Qualitative inheritance refers to traits that are controlled by a single gene or a few genes and show distinct,discontinuous variations (e.g.,pres

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Alkaptonuria

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(D) Qualitative inheritance refers to traits that are controlled by a single gene or a few genes and show distinct,discontinuous variations (e.g.,presence or absence of a trait). $A$. Skin colour is a classic example of quantitative inheritance (polygenic inheritance),where multiple genes contribute to a continuous range of phenotypes. $B$. Colour blindness is a sex-linked recessive disorder,which is a qualitative trait. $C$. Klinefelter's syndrome is a chromosomal disorder $(47, XXY)$,not a simple qualitative inheritance pattern. $D$. Alkaptonuria is an autosomal recessive metabolic disorder caused by a mutation in a single gene. It follows Mendelian inheritance patterns,which is a form of qualitative inheritance. However,in the context of standard biology curriculum comparisons between polygenic and monogenic traits,Alkaptonuria is a clear example of a trait governed by a single gene (qualitative).

Which of the following is an example of qualitative inheritance?

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