A pedigree is a chart of a person\'s ancestors that is used to analyze genetic i

Question

A pedigree is a chart of a person's ancestors that is used to analyze genetic inheritance of certain traits especially diseases. The symbols used for a pedigree are: 00pts) O female, unaffected male, unaffected female, affected male, affected Siblings are placed in birth order from left to right and are labeled with numbers. Each generation is labeled with a Roman numeral. o Example: we would name an individual II-3 if he/she was in the second generation and the 3 child born 4 5 6 1 2 3 Try to identify the genotypes of the following individuals using the pedigree above. (homozygous dominant, homozygous recessive, heterozygous) III-3: II-1 I-1 II-4

Explanation / Answer

iii-3 : Homozygous recessive

ii-1 : heterozygous dominant

i-i : homozygous recessive

ii-4 : heterozygous dominant

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