Afamily has two male children. one brother has a straight thumb, while the other brother has a bent thumb. what causes this difference ?

Drag each tile to the correct box. arrange the phases of mitosis in the correct order. 1 (condensation of chromosomes) 2 (separation of chromosomes) 3 (formation of spindle fibers) 4 (alignment of chromosomes in the center of the cell) 5 (pinching of the cell membrane)

The first amino acid of a new polypeptide chain is

In figure 1-2 what is the distance from point b to point c?