Meiosis #2
Presentation
•
Biology
•
10th Grade
•
Medium
Standards-aligned
Jane Claussen
Used 21+ times
FREE Resource
13 Slides • 9 Questions
1
Meiosis #2
Crossing-Over, Law of Segregation, and Law of Independent Assortment
2
Law of Independent Assortment
Law of Segregation
3
Know the important events of Meiosis, their significance and the key differences between Meiosis I and Meiosis II
I Will...
Review the process of Meiosis and its significance to sexual reproduction
We Will...
Win for the Day!
4
Gametes
5
End - haploid (n)
Gamete
Gamete
Gamete
End: Haploid(n)
6
Multiple Choice
During which stage are homologous chromosomes separated?
anaphase of Meiosis I
during the process of Meiosis II
anaphase of Meiosis II
after the completion of Meiosis II
7
Multiple Choice
During which stage are sister chromatids separated?
anaphase of Meiosis I
during the process of Meiosis II
anaphase of Meiosis II
after the completion of Meiosis II
8
Diploid (2n)
Haploid (n)
Homologous Pairs of Chromosomes
Mendel's 2nd Law: Law of Independent Assortment:
random orientation of homologous chromosome pairs allow for gametes to have different assortments of homologous chromosomes
Occurs in Metaphase I
9
sister chromatids are separated
sex cells
Haploid (n)
Haploid (n)
Mendel's 1st Law: Law of Segregation
alleles segregate/separate, each gamete is equally likely to receive either one of the two alleles present in the diploid individual
Occurs in Anaphase I and II
10
Multiple Choice
During which stage are homologous chromosomes separated?
anaphase of Meiosis I
during the process of Meiosis II
anaphase of Meiosis II
after the completion of Meiosis II
11
Multiple Choice
During which stage are sister chromatids separated?
anaphase of Meiosis I
during the process of Meiosis II
anaphase of Meiosis II
after the completion of Meiosis II
12
Multiple Choice
_____________ - homologous pairs of chromosomes randomly, and independently orient along the middle of the cells add to genetic variation.
Law of Segregation
Law of Nature
Law of Gravity
Law of Independent Assortment
13
Multiple Choice
_____________ - alleles segregate/separate, each gamete is equally likely to receive either one of the two alleles present in the diploid individual
Law of Segregation
Law of Nature
Law of Gravity
Law of Independent Assortment
14
Know the important events of Meiosis, their significance and the key differences between Meiosis I and Meiosis II
I Will...
Review the process of Meiosis and its significance to sexual reproduction
We Will...
Win for the Day!
15
Each chromatid gets a unique DNA sequence (different)
16
Gamete Cells
Haploid (n)
Diploid (2n)
Gametes
17
18
Multiple Choice
During which stage does the process of Crossing-over occur?
During the completion of Meiosis II
Prophase of Meiosis I
(Prophase I)
During the start of Meiosis II
Prophase of Meiosis II
(Prophase II)
19
Multiple Choice
Which process is occurring in the image?
Crossing Over
Law of Independently
Law of Segregation
Sister Chromatids separate
20
Multiple Choice
When crossing-over occurs, each chromatid ends up with ___________.
a unique sequence of DNA
the same sequence of DNA
no sequence of DNA
old combinations of DNA
21
Know the important events of Meiosis, their significance and the key differences between Meiosis I and Meiosis II
I Will...
Review the process of Meiosis and its significance to sexual reproduction
We Will...
Win for the Day!
22
Meiosis #2
Crossing-Over, Law of Segregation, and Law of Independent Assortment
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