HEREDITY
THE PEDIGREE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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fully shaded circle
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fully shaded square
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empty circle
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half-shaded circle
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half-shaded square
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Detailed explanation-1: -Homozygous. Having two identical alleles for a particular gene. Heterozygous. Having two different alleles for a particular gene.
Detailed explanation-2: -Circles in the pedigree represent females and squares represent males. Filled shapes indicate affected individuals, while unfilled shapes indicate unaffected individuals.
Detailed explanation-3: -In human genetics, pedigree diagrams are utilized to trace the inheritance of a specific trait, abnormality, or disease. A male is represented by a square or the symbol ♂, a female by a circle or the symbol ♀.
Detailed explanation-4: -2. How can you know for sure that individuals II-3 and II-4 are heterozygous? Because their offspring have the disease so they are both carriers of it.