1. In your own words, what is meiosis?
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1 Warm Up 1. In your own words, what is meiosis? 1. Complete the blanks in the sentence below: Body cells are and divide through, while gametes are and divide through. (Haploid/Diploid, Mitosis/Meiosis)
2 This stopwatch is timing how long it takes you to get ready. It will stop after everyone - has completed a warm up - has their binder in front of them - has today s work - is sitting in their assigned seat - has given 3 seconds of silence. Your class will gain points based on how quickly this happens.
3 Your Future is in Your hands Living Environment: Nature s Sustainable Design FOCUS QUESTION: How do meiosis and mitosis affect the amount of DNA in a cell? Topic Meiosis, p. 20 Today s Plan: 1. Warm Up (3 min) 2. Critical Reading: Cell Division and Meiosis 3. Vocabulary Matching: Genetics and Meiosis 4. Genetics and Meiosis Regents Practice 5. Exit Slip (5 min) Today s Objective: Understand the role of meiosis in sexual reproduction and review vocabulary related to meiosis and genetics. 2
4 I. Cell Division and Meiosis Directions: Complete the reading below, and then use the reading to define the key Unit 4 Vocabulary words IN YOUR OWN WORDS. Once you have defined each word, answer the analysis questions that follow.
5 Critical Reading: Cell Division and Meiosis Whole Class Practice: Cell Division: Cell division is the how DNA is How DNA is passed passed from one generation of cells to the from parent to next and ultimately, from parent organisms offspring to their offspring. Although eukaryotes and Used by both prokaryotes both perform cell division, eukaryotes and they do so in different ways. Unlike prokaryotes eukaryotes, prokaryotes (which include bacteria) undergo a type of cell division Asexual known as binary fission. In binary fission, reproduction using the prokaryotic cell divides its DNA and binary fission is an creates two copies of itself. This is a form of example of cell asexual reproduction. division
6 Critical Reading: Cell Division and Meiosis Cell Division: Definition: How DNA is passed from parent to offspring Used by both eukaryotes and prokaryotes Asexual reproduction using binary fission is an example of cell division In all organisms, cells divide and pass DNA from parent to offspring. Can be a form of asexual reproduction.
7 Critical Reading: Cell Division and Meiosis Directions: Complete the reading below, and then use the reading to define the key Unit 4 Vocabulary words IN YOUR OWN WORDS. Once you have defined each word, answer the analysis questions that follow.
8 Check In- Mitosis VS. Meiosis
9 Matching Genetics Vocabulary Directions: Match the genetics vocabulary words from your Word Bank to the definitions below. Each word is used only once.
10 Matching Reproductive System Vocabulary- Grade your own paper! A. Cytokinesis B. Chromosome C. Crossing-over D. Mitosis E. Asexual Reproduction F. Sexual Reproduction G. Haploid H. Diploid I. Fertilization J. Homologous Chromosomes K. Zygote L. Gamete M. DNA N. Gene O. Chromatin
11 This stopwatch is timing how long it takes you to get ready. It will stop after everyone - has completed a warm up - has their binder in front of them - has today s work - is sitting in their assigned seat - has given 3 seconds of silence. Your class will gain points based on how quickly this happens.
12 Your Future is in Your hands Living Environment: Nature s Sustainable Design Announcements Unit 4.1 Homework is 1 DAY LATE!! 12
13 Exit Slip (5 min) 1. Return to your assigned seat 2. Complete the exit slip 3. Clean up your workstation 4. Secure all handouts in your binder 5. Put your binder away. 1. In your own words, describe the changes in the amount of DNA present in cells happening in the image below. You must use AT LEAST 4 vocabulary words from this list: Haploid, Meiosis, Mitosis, Diploid, Fertilization, Zygote, Chromosome, Gametes
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