BI SC 004 Lecture Notes - Lecture 60: Turner Syndrome, Trisomy, Monosomy
Document Summary
Can produce a gamete that contains alternative numbers of: x chromosomes, y chromosomes. Once gametes fuse to form a zygote : xxx. Deletion: loss of a piece of the chromosome. Duplication: presence of a chromosome segment. More than once in the same chromosome. Inversion: a segment f a chromosome is inverted. From one chromosome to another non-homologous chromosome. Our dna contains all of the information required for a fully functioning human. Every cell in our body contains dna. Body cells: each body cell has 46 chromosomes within the nucleus. 23 pairs: cells that have pairs of chromosomes are called diploid. Have only 23 chromosomes in their nuclei: 1 of each pair, cells that have only one of each pair of chromosomes are called haploid. Mitosis: a cell makes an exact copy of itself, a process used for: Repair of tissues: used by body cells.
