Which animals produce only one kind of gametes

Dear student,
Animals which produce only one kind of gamete with respect to sex chromosomes are known as homogametic.
Examples: Human female only produces X chromosomes as their sex chromosomes. In most animals females are homogametic.

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Dear student,

The females in most of the animals are homogametic i.e., produces only one type of gamete.
All the mammalian females are homogametic.

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Gametes are reproductive cells (sex cells) that unite during sexual reproduction to form a new cell called a zygote. Male gametes are sperm and female gametes are ova (eggs). In seed bearing plantspollen is the male sperm producing gametophyte. Female gametes (ovules) are contained within the plant ovary. In animals, gametes are produced in male and female gonads. Sperm are motile and have a long, tail-like projection called a flagellum.

However, ova are non-motile and relatively large in comparison to the male gamete.

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