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Transcript
Organism of the Day: Snapdragon
Genus: Antirrhinum Snapdragons are perennial plants often sold as cold­season annual plants and do best in full or partial sun. Plant them in a soil that drains well to prevent the roots from rotting. Once planted, the snapdragon will grow to have either white, red, or pink flowers. Assuming Red (R) is dominant to white (r), what would you expect, to see as a result of a cross between a homozygous dominant and a homozygous recessive plant? Complete a Punnett Square to support your answer. 1
Biology
1. Organism of the Day 2. Review Meiosis and Collect Homework
3. Complete Genetics Practice Problems Part 2
4. Independent Study Time
­Review Meiosis/Help each other on genetics problems. Announcements
Due Today: Read 11.4 and answer questions 1 ­ 4 and complete Genetics Practice Problems Part 2
Due Monday: No Homework!
2
Meiosis Homologous Diploid
Haploid Meiosis 3
4
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Meiosis Comparing Meiosis and Mitosis Replication and Separation of Genetic Material Changes in Chromosome Number
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Gene Map
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Meiosis ­ Review Homework 9
Genetics Practice Problems Part 2
Hint: Sex ­ linked traits are traits that appear only on the X chromosome. Example, a color blind male has children with a homozygous dominant female. What are the chances their offspring will be color blind?
Instructions:
1. Work with each other to finish these problems. 2. I will come around to help you finish.
3. Once finished, turn into the in­box.
4. Begin reviewing meiosis, quiz each other on genetics problems, or read ahead in Chapter 12
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Exit Question:
In what stage of meiosis do tetrads form?
Reminders
Due Monday: No Homework!
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