Answer:
They are in a fixed ratio
Explanation:
46 The normal human karyotypes contain 22 pairs of autosomal chromosomes and one pair of sex chromosomes (allosomes). Normal karyotypes for females contain two X chromosomes and are denoted 46,XX; males have both an X and a Y chromosome denoted 46,XY.
Answer:
Diffusion
Explanation:
Diffusion is the process whereby molecules move from an area of high to low concentration
Base substitutions
deletions
insertions
duplication
missense
repeat expansion
