AIIMS 2004 Botany Pedigree Analysis MCQ Question
Given below is a pedigree chart of a family with five children. It shows the inheritance of attached ear-lobes as opposed to the free ones. The squares represent the male individuals and circles the female individuals. Which one of the following conclusions drawn is correct?

the parents are homozygous recessive
the trait is Y⁻linked
the parents are homozygous dominant
the parents are heterozygous
Correct Answer
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