Respuesta :

Answer:

50%

Explanation:

The mother contributes half (50%) while the father contributes the other half (50%).

Answer:

Fathers contribute 50% of chromosomes

Explanation:

Fathers contribute 23 chromosomes and humans have a total of 46 chromosomes so you just have to do some simple math: subtract 23 from 46

46-23=23

half of 46 is 23 so that would be 50%