Chromosomes are found in the nucleus of a cell, A human body cell has 46 chromosomes, Sperm and egg are examples of gametes, A sperm has 23 chromosomes, Chromosomes are made of DNA, A gene is a small section of DNA,

순위표

비주얼 스타일

옵션

템플릿 전환하기

자동 저장된 게임을 복구할까요?