s and plants prepare their cells for sex in very different ways — but no one knows why. A team of UK researchers now thinks that it has worked out the puzzle.

All cells arise from pre-existing cells. Sex cells have one set of chromosomes; body cells have two. Specialized chromosomes determine gender. Chromosomes carry genes.

Sex differences in humans have been studied in a variety of fields. In humans, biological sex is determined by five factors present at birth: the presence or absence

Meiosis, the process by which sexually reproducing organisms generate gametes (sex cells), is an essential precondition for the normal formation of the embryo.

A chromosome is a packaged and organized structure containing most of the DNA of a living organism. Most eukaryotic cells have a set of chromosomes (46 in humans

Sex cells have one set Sex cells have one set of chromosomes; body cells have Model organisms share with humans many key biochemical and physiological

Sex cells and chromosomes. Human body cells each contain 23 pairs of chromosomes chromosomes: Rod shaped bodies found in the nucleus of cells that contain genetic

We know somatic cells are diploid – 46 chromosomes out of which 22 pairs are autosomes and another one pair is sex chromosome. But in case of sex cell the chromosomes

Production of Sex Cells – Reproduction is a basic drive in all s, including humans. Think you know what human reproduction is all about? Discover the biology of

Oct 11, 2016 · Sex cells are reproductive cells or gametes. Female ova are large and round, while male sperm are long and motile. Sex cells are formed by meiosis.