What percentage of carbon dioxides mass is carbon? what percentage is oxygen?

Carbon = 27.3%

Oxygen = 72.7%

Explanation:

Use the Masses of the elements

Carbon dioxide = 44

Carbon = 12

Oxygen = 16

Where for Carbon;

12/44 × 100 = 27.3%

Where for oxygen;

100 - 27.3 = 72.7% or

32/44 × 100 = 72.7%

the child will have heterozygous dominant chromosomes as characters of his father are dominant over the characters of his mother.

the child is heterozygous