T H Morgan and His Group Found That Among the Offspring

Multiple Choice

T. H. Morgan and his group found that among the offspring of genetic crosses, parental phenotypic classes were the most frequent, while recombinant classes occurred less frequently. This observation led Morgan to conclude that

A) genes on different chromosomes do not assort independently.
B) alleles of linked genes assort independently.
C) genes on different chromosomes assort independently.
D) all genes are linked.
E) alleles of some genes assort together.