Gamete
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A gamete, reproductive cell, or sex cell, is a haploid cell that fuses with another haploid cell during fertilization in organisms that reproduce sexually. The name gamete was introduced by the German
A human spermatozoon fusing with a human ovum. The spermatozoon is approximately 100,000 times smaller in size than the human ovum.
Mice X Y chromosomes
Biological sex
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Sex is the phenotypic trait of a sexually reproducing organism in producing gametes of one of two different sizes or shapes—male or female gametes. During sexual reproduction, a male and a female game
Gamete
…sexually. The name gamete was introduced by the German cytologist Eduard Strasburger in 1878. The type of gamete an organism produces determines its sex and sets the basis for the sexual roles and sexual selection. Female gametes are called ova or egg cells, and male gametes are called sperm. In the…
Simosyrphus grandicornis mating
Mushrooms are produced as part of fungal sexual reproduction.
Most butterflies and moths have a ZW sex determination system.
Most dragonflies have an X0 sex determination system.