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A pedigree chart given here, presents a ...

A pedigree chart given here, presents a particular generation which shows a trait irrespective of sexes (ie.. present in both male and female). Neither of the parents of the particular generation shows that trait. Draw your conclusion on the basis of the pedigree.

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The trait is autosome linked and recessive in nature. Both the parents are carrier (t.e. heterozygous) hence among offspring few show the trait irrespective of sex. The other offspring are either normal or carrier.
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TRUEMAN BIOLOGY-GENETICS AND EVOLUTION -SECTION-A
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