WebJun 18, 2024 · iii. Pairing between homologous chromosomes takes place. iv. Crossing over between homologous chromosomes takes place. Solution: i. Metaphase ii. Anaphase II iii. Zygotene iv. Pachytene. Question 7. Describe the following: (a) synapsis (b) bivalent (c) chiasmata Draw a diagram to illustrate your answer. Solution: WebJun 8, 2024 · Key Points. Gametogenesis, the production of sperm (spermatogenesis) and eggs (oogenesis), takes place through the process of meiosis. In oogenesis, diploid oogonium go through mitosis until one develops into a primary oocyte, which will begin the first meiotic division, but then arrest; it will finish this division as it develops in the follicle, …

3 - Chromosome Variation

Webdescribe how synapsis occurs. in prophase I, as the homologous chromosomes condense they begin to form two pair called synapsis. assess how meiosis … WebDescribe the steps of meiosis I. Meiosis is preceded by an interphase consisting of the G 1, S, and G 2 phases, which are nearly identical to the phases preceding mitosis. The G 1 … incarnation\\u0027s ha

Describe how synapsis occurs? - Answers

WebMeiosis I. Meiosis is preceded by an interphase consisting of the G 1, S, and G 2 phases, which are nearly identical to the phases preceding mitosis. The G 1 phase, which is also called the first gap phase, is the first phase … WebJun 8, 2024 · Figure 11.2. 1: Meiosis I ensures unique gametes: Random, independent assortment during metaphase I can be demonstrated by considering a cell with a set of two chromosomes (n = 2). In this case, there are two possible arrangements at the equatorial plane in metaphase I. The total possible number of different gametes is 2n, where n … WebSynapsis is the pairing of two chromosomes that occurs during meiosis. It allows matching-up of homologous pairs prior to their segregation, and possible chromosomal … in construction what is frp