for a gene with 7 alleles in a population: how many of those genotypes are homozygous

Question

for a gene with 7 ﻿alleles in a population: how many of those genotypes are homozygous

Accepted Answer

∻Answer∻ ⚹ There are 7 homozygous genotypes for a gene with 7 alleles in a population. ⚹ ∻Solution∻ ‖ a ⋮ Understanding alleles and genotypes: An allele is a variant form of a gene, and a genotype is the set of alleles that an individual has for a particular gene. For a gene with multiple alleles, each individual will have two alleles for that gene (assuming diploidy). If both alleles are the same, the genotype is homozygous. ‖ ‖ b ⋮ Calculating homozygous genotypes: For a gene with $ n $ different alleles, there are $ n $ possible homozygous genotypes, because each allele can pair with itself to form a homozygous genotype. ‖ ‖ c ⋮ Applying the calculation to 7 alleles: With 7 different alleles, labeled $ A_1, A_2, A_3, A_4, A_5, A_6, $ and $ A_7 $, there are 7 possible homozygous combinations: $ A_1A_1, A_2A_2, A_3A_3, A_4A_4, A_5A_5, A_6A_6, $ and $ A_7A_7 $. ‖ ∻Key Concept∻ ⚹ Homozygous genotypes for a gene with multiple alleles ⚹ ∻Explanation∻ ⚹ For a gene with $ n $ alleles, there are $ n $ possible homozygous genotypes, as each allele can form a homozygous pair with itself. ⚹◊What is the formula for calculating the number of possible homozygous genotypes for a gene with 7 alleles in a population?⍭ Generate me a similar question◊

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