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Mendel’s Law of Independent Assortment states that alleles at loci on different/

ID: 18709 • Letter: M

Question

Mendel’s Law of Independent Assortment states that alleles at loci on different/nonhomologous chromosomes segregate independently. This results from the fact that nonhomologous chromosomes align independently at metaphase I. A camel with a trihybrid genotype CcMmQq will produce ____ different haploid gametes which are equally frequent if the three loci are_____.

a.) 2 linked
b.) 4 linked
c.) 8 unlinked
d.) 16 coupled
e.) a & c

I chose E as my answer. Any input on this would be greatly appreciated along with an explanation .

Explanation / Answer

If the genic combination of chromosomes present in the parents exist in the the offsprings, the phenomenon is called linkage. The genes present on the same chromosome because of linkage exist in the same combination in the next generation also. The genes which do not separate over generations are called linked genes. Generally linkage is strong when the distance between the linked genes is less. The linkage is weak when the distance between linked genes is more. The weakly linked genes and unlinked genes show independent assort as in Mendals laws. So the answer is (c) 8 unlinked. We will get gametes of all possible combination when the genes present on the chromosome are unlinked.