Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Oogenesis
The formation of the ovum (mature female gamete) from undifferentiated germ cells is called oogenesis. This process takes place in the ovaries (female gonads). Oogenesis consists of three stages known as the multiplication phase, growth phase, and maturation phase.
Cell Division
Cell division involves the formation of new daughter cells from the parent cells. It is a part of the cell cycle that takes place in both prokaryotic and eukaryotic organisms. Cell division is required for three main reasons:
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CP Unit 6 Review: Meiosis
Page
1. What type of cell undergoes meiosis?
Gamete cells
Somațic cells
or
2. What are homologous chromosomes?
3. For each of the following state if the cell is haploid or diploid.
Sperm cell =
Liver cell =
Egg cell =
Stomach cell =
4. If the diploid number in a liver cell is 52, how many chromosomes are there in the egg
of this organism?
5. During meiosis, the chromosome number:
a) is doubled
becomes diploid
b) is reduced
c) remains the same
d)
6. Cells starting mitosis & meiosis begin with a (haploid or diploid) set of chromosomes.
7. How many times do cells divide during meiosis?
8. What are the stages of meiosis called?
Meiosis I:
II
lılı
Transcribed Image Text:Unit 6 Meiosis Review
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2
8. What are the stages of meiosis called?
Meiosis I:
/cytokinesis
Meiosis II:
/cytokinesis
9. Draw a tetrad: What phase do you first see this in?
10. Which of the following best describe the term
A)
Figure 2
"crossing over"?
a.) An exchange of information between two
homologous chromosomes
b.) A molecular interaction between two
B)
2n
sister chromatids
c.) A molecular interaction between two
C)
2n
non-sister chromatids
D)
2n
Expert Solution
Step 1
Meiosis is the reduction division which occurs in sex cells or the gametes. Here the chromosome number gets halved hence it is also called the reduction division.
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