Question

Which is a completely hereditary trait?

straight hairline



sneezing



skydiving



public speaking



foreign language ability

Answer 1

A.) straight hairline is a completely hereditary trait, 'cause it can be inherit through genes

Hope this helps!

Answer 2

Answer: Straight Hair

Step-by-step explanation:

Hereditary can be defined as the characters that is transferred from the parents to the child. Example: hair color, hair type, eye color, pattern of ear lobe, et cetera.

Straight hair and curly hair are two different types of hair found in the human beings. This is a trait which is controlled by the genes that is carried from the parents to the next generation.