Webin plants, sperm and eggs are produced by mitosis in reproductive organs of the gametophyte the gametophyte generation is dominant in hornworts, liverworts, and … WebMar 4, 2024 · When a sperm combines with a female gamete, or egg, it results in a human embryo. When studying a sperm cell under a microscope, scientists can typically identify the following three parts:...
Sex and genetic shuffling: the details - Understanding …
WebSex organs, called antheridia and archegonia, produce sperm and eggs, respectively. The sperm require water in which to swim to the egg for fertilization. The fertilized egg, or zygote, contains one set of chromosomes from each of the two sex cells. WebMeiosis makes sperm and eggs During meiosis in humans, 1 diploid cell (with 46 chromosomes or 23 pairs) undergoes 2 cycles of cell division but only 1 round of DNA … s-wave example
Meiosis, inheritance and variation — Science Learning Hub
WebThe process that produces gametes is called meiosis. Meiosis makes sperm and eggs During meiosis in humans, 1 diploid cell (with 46 chromosomes or 23 pairs) undergoes 2 cycles of cell division but only 1 round of DNA replication. WebMay 17, 2024 · What is the difference between the alternation of generations seen in plants and the sexual reproduction seen in mammals? A. Mammals only alternate every other generation B. Mammals do not … WebApr 28, 2024 · The gametophyte, on the other hand, is a tiny heart-shaped plant that may be easily mistaken for a totally different species from the sporophyte generation. Function of Gametophytes. Gametophyte … s wave elevation