For a species with four pairs of chromosomes, ________ chromosome combinations are possible.     20     8     4     16

please give answer asap and answer all the parts

Homologous chromosomes are Group of answer choices inherited from 2 parents are sister chromatids are different in size and length different genes

V Ab) aB Ab aB ab ab aB Class 2:5 tetrads Class 3: 22 tet From information in the cross, the A and B genes: a. are most likely linked b. are most likely unlinked c. regulate tryptophan biosynthesis d. are near the centromere e. not enough information is given