A diploid organism is heterozygous for 4 loci, how many types of gametes can be produced?
Explanation A diploid organism is heterozygous for 4 loci means there are 4 contrasting traits/genes. The genetic constitution for heterozygous diploid organism for 2 loci is AaBb, for 3 loci is AaBbCc and 4 loci is AaBbCcDd. For 2 loci AaBb, there are AB, Ab, aB, ab i.e. 4 gametes. For 3 loci AaBbCc there are ABC, ABc, AbC, Abc, aBC, aBc, abC, abc i.e. 8 gametes. The formula for calculating gamete in diploid organism is: Number of gametes= 2ⁿ, Where “n” is the number of loci. Thus, the organism will produce 16 gametes. In the case where a diploid organism is heterozygous for 4 loci it will produce 2⁴= 2x2x2x2=16 gametes.
