What are one thing the combination of proteins and dna make up?\nOptions:\n- (A) alleles\n- (B) sperm\n- (C) insects\n- (D) embryos\n- (E) fusion\n- (F) PDAs\n- (G) humans\n- (H) complex
Please answer the following question by reasoning step-by-step.
(B)
Chromosomes are coiled structures made of DNA and proteins.

An egg or sperm with an extra chromosome or missing a chromosome is then made.

Eggs and sperm have coiled structures made of DNA and proteins.

.

Therefore, the answer is (B)