Which of the following is least related to the others? homozygous, dominant, heterozygous, tetrad, recessive?

Question

Which of the following is least related to the others? homozygous, dominant, heterozygous, tetrad, recessive?

Answer 1

A tetrad is a group of four chromosomes (2 sets of sister chromatids) that come together during sexual reproduction. Crossing-over occurs at the level of the tetrad.

genetics

Dominant

A

recessive

o

homozygous

AA or oo

heterozygous

Ao

Answer 2

Tetrad is least related to the others: homozygous, dominant, heterozygous,  recessive.  All these terms are related to the phenotypic expression of genotypes. Tetrad is the formation of pollen grains from pollen mother cell by the process of meiosis. The last step of this process forms a group of four pollen grains. This group is called as tetrad.