• Haplotype

    A haplotype is a group of genes within an organism that was inherited together from a single parent. The word “haplotype” is derived from the word “haploid,” which describes cells with only one set of chromosomes, and from the word “genotype,” which refers to the genetic makeup of an organism.

    Since we inherit two copies of each gene, one from each of our parents, each person will have a combination of haplotypes or alleles, written as two numbers, each preceded by a star with a slash in between. For example, someone who inherited the 3 allele from their mother and the *2 allele from their father would have the *2/3 combination or “2/3 star genotype”.

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