WebAnswer: 2) What is the indicated structure 1? select one. a. chromosome b. chromosome with two sister chromatids c. centrioles/centrosome d. spindle fibres e. metaphase plate 3)If the diploid (2n) number of this cell is 8 how many chromosomes are present? 4) If the diploid (2n) number of this cell is 8 how many sister chromatids are present? Weba. an oogonium b. a primary spermatocyte c. a spermatid d. a cell from either sex during anaphase of meiosis I e. a cell from either sex during anaphase of meiosis Il f. a secondary oocyte g. a polar body derived from a primary oocyte 2. List the structures and functions of the male and female reproductive systems. 3. A dog has 39 pairs of ...
How many chromosomes are in meiosis? - Studybuff
Web30 mar. 2024 · meiosis, also called reduction division, division of a germ cell involving two fissions of the nucleus and giving rise to four gametes, or sex cells, each possessing half … WebThey are caused by nondisjunction, which occurs when pairs of homologous chromosomes or sister chromatids fail to separate during meiosis. The risk of nondisjunction increases with the age of the parents. Nondisjunction can occur during either meiosis I or II, with different results ( Figure 7.8 ). data walls and ferpa
Mitosis and the cell cycle - Cell division - AQA - BBC Bitesize
WebDuring meiosis, four daughter cells are produced, each of which are haploid (containing half as many chromosomes as the parent cell). Stages of meiosis. Meiosis contains … WebAcum 23 ore · Author summary Sexual reproduction relies on production of gametes, such as eggs and sperm, which are produced during meiosis. During this specialized cell division, chromosomes replicate, pair with their homologs, undergo synapsis and finally undergo recombination, all of which are required for correct meiotic chromosome … WebMeiosis occures only in the production of sperm and egg cells for sexual reproduction. The Phases of Cellphone Divisions. Before either mitosis or meiosis occurs, cells go through a prep process mentioned interphase, where they grow and do a copy of their genetic information. ... Metaphase: Chromosomes align along the spindle’s center. bit torrent downloader