A comprehensive guide to sexual reproduction in mammals, focusing on reproductive systems, fertilization, and embryonic development. The process involves complex interactions between male and female reproductive organs, hormonal regulation, and precise cellular mechanisms.
• The schema riproduzione sessuata mammiferi involves DNA halving through meiosis and subsequent fusion during fertilization
• Fasi maturità sessuale femminile e maschile occur at different ages, with females experiencing menopause while males can remain fertile longer
• The processo fecondazione e gemelli eterozigoti demonstrates how different types of twins can form through distinct fertilization processes
• Embryonic development progresses through specific stages including segmentation, gastrulation, and organogenesis