Biology - Human Body Systems - Reproductive system - Reproduction Key Terms
Complete 6 sentences about reproductive biology. 1: 'Male gametes (sex cells) are called ___.' (sperm). 2: 'Female gametes are called ___ or ova.' (eggs). 3: 'Gametes contain ___ chromosomes, which is half the normal number.' (23). 4: 'When sperm and egg nuclei fuse, it is called ___.' (fertilizatio