Can someone help me with bio

Which units ate used to measure both velocity and speed? check all that apply

Gregor mendel is best known for his work with pea plants and for uncover many of the mysteries of genetics. one of his major findings stated that there were specific, physical units of inheritance that are transmitted during reproduction. what is the the name given to these units of inheritance which can be found on chromosomes? a) centromeres b) cytoplasm c) genes d) nucleotides

In meiosis ii during anaphase ii which structures separated homologous chromosomes or sister chromatids