11–4 Meiosis. The making of sex cells!. Making Sex Cells. Meiosis is the process of making sex cells (gametes) Gametes are sex cells Ex: sperm, egg, pollen, etc…. Female Gametes - Eggs. Human Eggs. Male Gametes - Sperm. Human Sperm. Chromosomes.
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The making of sex cells!
8 chromosomes (4 from mom and 4 from dad)
HaploidCells = a cell that contains only a single set of chromosomes
Therefore only a single set of genes
a haploid cell is sometimes represented by the symbol N
for Drosophila, the haploid number is 4, which can be written N = 4
Haploid cells = sex cells (gametes)
What is the diploid number for these cells?
What is the haploid number for these cells?
Fertilization of a human egg by sperm.
Notice the HUGE size difference.