Question

30) Which of these statements are true?
1 chromosome is made of DNA
2 chromosomes are found in the cell membrane
3 chromosomes are always formed from a single gene
4 genes are short sections of DNA

A) 1, 2, 3 and 4
B) 2, 3 and 4
C) 2 and 3
D) 1 and 4

Answer 1

D) 1 and 4
Chromosomes are made up of DNA. DNA strands contain short segments called genes.

Answer 2

D because the other answers are partially right, but not all right, therefore it is D, 1 and 4.