9.If a skin cell has 8 chromosomesa.How many will it have after S phase of Interphaseb. How many will it have during Anaphase lС.How many will it have after prophase IId. How many will it have after telophase II/ cytokinesisMeiosis Post Lab V2a.DocxPage 2Revised 11/3/2019

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Asked Nov 11, 2019
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9.
If a skin cell has 8 chromosomes
a.
How many will it have after S phase of Interphase
b. How many will it have during Anaphase l
С.
How many will it have after prophase II
d. How many will it have after telophase II/ cytokinesis
Meiosis Post Lab V2a.Docx
Page 2
Revised 11/3/2019
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9. If a skin cell has 8 chromosomes a. How many will it have after S phase of Interphase b. How many will it have during Anaphase l С. How many will it have after prophase II d. How many will it have after telophase II/ cytokinesis Meiosis Post Lab V2a.Docx Page 2 Revised 11/3/2019

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Expert Answer

Step 1

Chromosomes are long thread like structures that contain coded genetic information in the form of genes. These are transferred from one generation to next generation by the process of cell division during sexual reproduction. The number of chromosomes varies from one species to another species and is always constant within the given species.

Step 2

Interphase is the preparatory phase in-between two cell division. It is the longest phase of the cell and includes several stages like G1, S, and G2 stage. During S phase of the interphase the chromosomes undergo replication. Thus, if 8 chromosomes are present in the skin, during S phase of the interphase 16 chromosomes are present.

 

b.

 

Meiosis is the reduction division that happens in the reproductive cells or gametes. It involves two stages namely meiosis-1 and meiosis-2. Meiosis-1 is the long phase and includes prophase-1. Metaphase-1, anaphase-1, and telophase-1. Meiosis-II also includes similar stages and is very similar to mitosis. Prophase-I of meiosis is characterized by pairing of homologous chromosomes. This is followed by their alignment in metaphase plate during metaphase-1 and segregation of homologous pairs during anaphase-1. Thus, during this segregation or anaphase-1, the homologous chromosomes are separated but the sister chr...

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