WebMetaphase I (Meiosis) Pairs of homologous chromosomes move to the equator of the cell. yes crossing over. metaphase II (meiosis) Chromosomes line up at the equator. no crossing over. anaphase II (meiosis) Sister chromatids split and head toward opposite poles. yes crossing over. meiosis crossing over. WebHomologous chromosomes contain the same gene loci but may have different alleles of a particular gene. Sister chromatids are identical copies of each other produced during DNA replication. Which statement correctly describes how cellular DNA content and ploidy levels change during meiosis I and meiosis II?
Mastering Biology CH 13 homework Flashcards Quizlet
Webprophase I. The following question refers to the essential steps in meiosis described below. 1. Formation of four new nuclei, each with half the chromosomes present in the parental nucleus. 2. Alignment of tetrads at the metaphase plate. 3. Separation of sister chromatids. WebMI/AI of Meiosis. -bivalents are formed. -the number of chromosomes will be reduced overall. -crossing over occurred just before. -homologous chromosomes separate from one another. M/A of Mitosis. -centromeres will divide in two. -the number of chromosomes stays the same overall. Mitosis and Meiosis. tiers medicare
Nondisjunction in Meiosis: Results & Examples - Study.com
WebMeiosis 2 has no crossing over, separates chromatids and creates 4 daughter cells. List three ways in which meiosis differs from mitosis.-Meiosis produces haploid cells while mitosis produces diploid cells. –Mitosis is a reproduction that does not require another set of chromosomes while meiosis does require another set of chromosomes ... WebIn meiosis I, homologous chromosomes pair and then separate. Thus, although the parent cell is diploid (containing two chromosome sets, one maternal and one paternal), each of the two daughter cells is haploid (containing only a single chromosome set). In meiosis II, the sister chromatids separate. The four daughter cells that result are haploid. WebMeiosis is a type of nuclear division that occurs as a part of __________ reproduction, and the resulting daughter cells have the ___________ number of chromosomes, 23, in humans. - sexual. - haploid. A pair of chromosomes that are alike and come together in synapsis during prophase of the first meiotic division are. homologous. tiers of accounting firms