Put the following in order in mitosis and the preceding interphase Hint: Determine whether the event occurs in G1, S, G2, prophase, metaphase, anaphase, telophase or cytokinesis first. Also draw the stages out. > Sisters separate Spindle forms G2
Put the following in order in mitosis and the preceding interphase Hint: Determine whether the event occurs in G1, S, G2, prophase, metaphase, anaphase, telophase or cytokinesis first. Also draw the stages out. > Sisters separate Spindle forms G2
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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Concept explainers
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:
Question

Transcribed Image Text:E
0 Listen
Match the image to the stage. Black is paternal, white is maternal
...
<
-19 Listen
Meiosis 1
Meiosis 2
Mitosis
G2
Sisters separate
Spindle forms
1.
Crossing Over Occurs
2.
Chromosomes become less distinct, nuclear envelope reforms.
Chromosomes Duplicate
3.
First Cell Division Occurs
lolH
HH
A single line of chromosomes appears in the middle of the cell
11
F
Put the following in order in mitosis and the preceding interphase
Hint: Determine whether the event occurs in G1, S, G2, prophase,
metaphase, anaphase, telophase or cytokinesis first. Also draw the
stages out.
d
b
B
d
F
d
b
Put the following steps in order during meiosis and the previous
interphase. Hint: Determine which step (interphase, Meiosis 1 and
Meiosis 2) they occur in and then which phase (prophase, metaphase,
anaphase, telophase, cytokinesis). Also draw the stages out.
B
d

Transcribed Image Text:An organism has 8 pairs of chromosomes. How many possible gametes
could it have (ignoring recombination). Assume each pair of homologues
is heterozygous for at least one gene.
E
a) 8
b) 128
19
c) 16
Sisters separate
d) 256
a) In mitosis only
b) In meiosis 1 only.
c) In mitosis and meiosis 1 only
d) In mitosis and meiosis 2 only
e) In meiosis 2 only
f) In mitosis, meiosis 1 and meiosis 2
Listen
When can one find an even number of chromosomes present in a human
cell in prophase?
a) Mitosis
b) Meiosis 1
c) Meiosis 2
d) Mitosis and Meiosis 1
e) Mitosis and Meiosis 2
f) Meiosis 1 and Meiosis 2
Listen
The 2 X chromosomes that a female have (one from each parent) are
Sisters
Homologs
Both sisters and homologs
Neither sisters nor homologs
Expert Solution

Step 1
- In eukaryotes, Cells divide either via mitosis or meiosis. Somatic cells divide via mitosis. Reproductive cells (egg and sperm cells) are divided through meiosis.
- In mitosis, daughter cells are genetically identical to the parent after the division, whereas in meiosis, the chromosome number is reduced to half.
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