GBIO50 LECTURE 1: Meiosis and Plant Tissues
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Questions and Answers

Meiosis is the formation of ______ (sex cells – eggs and sperm)

gametes

Daughter cells contain half the number of chromosomes as the original cell, making them ______

haploid

Spermatogenesis occurs in ______ in males

testes

Oogenesis occurs in ______ in females

<p>ovaries</p> Signup and view all the answers

Two haploid (n) gametes are brought together through fertilization to form a ______ (2n) zygote

<p>diploid</p> Signup and view all the answers

Meiosis reduces the chromosomes number by ______

<p>half</p> Signup and view all the answers

Metaphase I: Homologous pairs of chromosomes align along the ______.

<p>equator</p> Signup and view all the answers

Anaphase I: Homologs separate and move to opposite ______.

<p>poles</p> Signup and view all the answers

Telophase I: Nuclear envelopes reassemble; Spindle disappears; Cytokinesis divides cell into ______.

<p>two</p> Signup and view all the answers

MEIOSIS II: Reducing Chromosome Number Only one homolog of each chromosome is present in the ______.

<p>cell</p> Signup and view all the answers

Prophase II: Nuclear envelope fragments; Spindle ______.

<p>forms</p> Signup and view all the answers

Metaphase II: Chromosomes align along the ______ of cell.

<p>equator</p> Signup and view all the answers

Anaphase II: Sister chromatids separate and move to opposite ______.

<p>poles</p> Signup and view all the answers

Telophase II: Nuclear envelope assembles; Chromosome decondense; Spindle disappears; Cytokinesis divides cell into ______.

<p>two</p> Signup and view all the answers

MITOSIS: Occurs in ______ cells.

<p>somatic</p> Signup and view all the answers

MEIOSIS: Occurs in germ (sex) ______.

<p>cells</p> Signup and view all the answers

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