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Explore the phases of meiosis and genetic diversity through a comprehensive article on Khan Academy, a platform offering free education for all.
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Explora las fases de la meiosis y su importancia en la diversidad genética en Khan Academy.
Khan Academy
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Comparing mitosis and meiosis (video) | Khan Academy
Mitosis and meiosis are two different types of cell division. Mitosis occurs in somatic cells and results in two identical daughter cells with a diploid (2n) number of chromosomes. This process is essential for growth and repair in the body.
Phases of the cell cycle - Khan Academy
G 1 phase. During G 1 phase, also called the first gap phase, the cell grows physically larger, copies organelles, and makes the molecular building blocks it will need in later steps.
Sexual life cycles (article) | Meiosis | Khan Academy
Meiosis is where a diploid cell gives rise to haploid cells, and fertilization is where two haploid cells (gametes) fuse to form a diploid zygote. What happens between these two events, however, can differ a lot between different organisms—say, between you and a mushroom or oak tree!
Phases of meiosis II - Khan Academy
Meiosis II is a process that helps cells divide and create gametes, which are needed for sexual reproduction. It starts with prophase II, where the nuclear envelope dissolves and chromosomes condense. Then, in metaphase II, chromosomes line up along the cell's middle. During anaphase II, sister chromatids separate and move to opposite ends of the cell. Finally, in telophase II, the …
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Chromosomal crossover in meiosis I (video) | Khan Academy
Meiosis is a process where germ cells divide to produce gametes, such as sperm and egg cells. In prophase I of meiosis, chromosomes condense and homologous recombination takes place, leading to genetic variation through chromosomal crossover.
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Revisión de la meiosis en biología de secundaria, incluyendo sus fases y su importancia en la reproducción sexual.