Sperm contains 23 chromosomes. An egg contains 23 chromosomes. The zygote (a fertilized egg) contains 46 chromosomes. Yet, it is also important to consider that the egg completes meiosis before joining with the sperm, thereby shedding half of its 46 chromosomes into a polar body that adjoins the zona pelucida lining.
Man, male, gentleman are nouns referring to adult human beings who are biologically male; that is, physiologically equipped to initiate conception but not to bear children.
Gay- a man who is attracted to only those who identify as male. also used as any person who likes the same gender as themself. Bisexual- a person who is attracted to two genders (typically male and female though this is interchangeable for each person. regarding being attracted to more than two genders see pansexual)