An organism has three different versions of gene tyx – version a, b and c. determine the inheritance pattern of this trait. then list below all of the different genotypes that an organism with this gene could have.

Explanation:

As we know that different versions of the gene are called as the alleles. Allele is the various sequence of DNA (deoxyribonucleic acid) or alleles are known to be different forms of the genes, which can be seen at the same locus on the homologous chromosomes. Let us know assume that gene Tyx has two alleles in it, which represents the two forms of expression having same character. i.e. Tallness and Dwarfness TT(tall), Tt(tall), tt(dwarf). In the given question, the version

(a) TT, where alleles exist in the homozygous dominant conditions,

(b) Tt, where alleles exist in the heterozygous dominant condition

(c) tt, where alleles exist in homozygous recessive condition. Therefore, it might follow autosomal dominant inheritance, or autosomal recessive inheritance or incomplete dominance etc.

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