Biology, 03.03.2021 09:20 Tristabergeron5650

Read each of the sentences that describe a phase of meiosis. Place each sentence into the correct box.

Read each of the sentences that describe a phase of meiosis. Place each sentence into the correct b

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Answer from: benji2246

Prophase1-crossing over may occur between the non-sister chromatids

Metaphase1- Homologous chromosomes line up at the center of the cell

Anaphase and telophase 1- homologous pairs separate and move towards opposite ends of the cell, Nuclear membrane forms and cytokinesis follows.

Meiosis 2- haploid number of duplicated chromosome line up…

Sister chromatids separate and become daughter…

Four haploid daughter cells are formed….

Explanation:

Meiosis I

P-I: Chromosomes condense, nuclear membrane dissolves, homologous chromosomes form bivalents, crossing over occurs

M-I: Spindle fibres from opposing centrosomes connect to bivalents (at centromeres) and align them along the middle of the cell

A-I: Spindle fibres contract and split the bivalent, homologous chromosomes move to opposite poles of the cell

T-I: Chromosomes decondense, nuclear membrane may reform, cell divides (cytokinesis) to form two haploid daughter cells

Meiosis II

The second division separates sister chromatids (these chromatids may not be identical due to crossing over in prophase I)

P-II: Chromosomes condense, nuclear membrane dissolves, centrosomes move to opposite poles (perpendicular to before)

M-II: Spindle fibres from opposing centrosomes attach to chromosomes (at centromere) and align them along the cell equator

A-II: Spindle fibres contract and separate the sister chromatids, chromatids (now called chromosomes) move to opposite poles

T-II: Chromosomes decondense, nuclear membrane reforms, cells divide (cytokinesis) to form four haploid daughter cells

The final outcome of meiosis is the production of four haploid daughter cells

Answer from: Quest

this protocol provides a detailed procedure for nucleoprotein extraction from cultured cells and tissues in an efficient manner.

Answer from: Quest

Iwould say overuse ( but not 100% sure ) in the u.s. we tend to overuse water by leaving it running, throwing it away, taking long showers, etc.

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Read each of the sentences that describe a phase of meiosis. Place each sentence into the correct bo...

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