WebAug 8, 2024 · Mitotic nondisjunction can occur due to the inactivation of either topoisomerase II, condensin, or separase. This will result in 2 aneuploid daughter cells, one with 47 chromosomes (2n+1) and the other with 45 chromosomes (2n-1). Nondisjunction in meiosis I occurs when the tetrads fail to separate during anaphase I. Web1. How many sets of human chromosomes are in each of the following cell types? a. 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.

A gamete normally contains: Biology Questions - Toppr

Webchromosomes, one from each gamete. Remember that a life cycle is a “complete sequence of phases”. It is thus necessary for the zygote-phase to be connected to the gamete-phase. A transition from a cell with two sets of chromosomes to one with a single set is thus needed. Simple! The zygote only has to be divided in two cells. Web30 seconds. Q. Which of the following is a true statement about gametes? answer choices. In humans, there are 22 autosomes and one sex chromosome. Gametes have a diploid number of chromosomes. Gametes are body cells. n humans, there are 22 Pairs of autosomes and one pair of sex chromsomes. csu research strategy

How many chromosomes do people have? - MedlinePlus

WebEach gamete ends up with one of the homologs of the pair, not both. Imagine that there are two or three or even 30 pairs of homologous chromosomes. Each homolog pair making … Webmeiosis. Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells. This process is required to produce egg and sperm ... csu retreat rights