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Unit 4, Day 5

Unit 4, Day 5. Genetics & Human Development M/T, Jan 28 th -29 th (Block, 100 min). Homework Due Today. Rough Drafts of 4 Journal Entries Pregnancy, Birth, Infancy, Toddler, Elementary, Junior High, High School, College. Daily Question.

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Unit 4, Day 5

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  1. Unit 4, Day 5 Genetics & Human Development M/T, Jan 28th-29th (Block, 100 min)

  2. Homework Due Today • Rough Drafts of 4 Journal Entries • Pregnancy, Birth, Infancy, Toddler, Elementary, Junior High, High School, College

  3. Daily Question • What is the difference between living and existing? Which are you doing? Explain. • Page 38.A

  4. Essential Skills and Knowledge • Essential Skill #2.1 (Genetics): I can describe the importance of mutations and sexual reproduction in leading to genetic variation in a population and how an organism’s phenotype depends on its genotype, which is established at fertilization. • ***Note: Development (both before birth and after) will be reviewed on Wed/Thu

  5. Game Time • Rules: • Everyone must be standing • When you are called, if you: • Get the answer right, you may sit • Get the answer incorrect, stay standing • If someone gets an answer incorrect, I will ask anyone to raise their hand to answer: • Standers get priority • Sitters can answer if no standers can • When everyone is sitting, we will begin again.

  6. Questions • What is the name of the organelle that produces the spindle fibers that chromosomes attach to during meiosis and mitosis? • How many chromosomes do humans have? • Explain why all organisms have an even number of chromosomes. • What does ‘n’ stand for? • Are gametes haploid or diploid? • What are the two types of gametes?

  7. Questions • Describe the characteristics of a homologous pair. • How many pairs of chromosomes does a human have? • Explain what fertilization is. • What is the purpose of interphase? • What is DNA called when it is uncondensed (i.e. you can’t see it under a microscope) • Describe what sister chromatids are.

  8. Questions • Describe three things that occur during Prophase I. • Describe what crossing over is. • Describe what occurs during Metaphase I. • In Anaphase I, how many chromosomes are at each pole of the cell? Do these chromosomes have sister chromatids? • Describe two things that occur during Telophase I.

  9. Questions • What is the process after Telophase I by which cells split apart? • What is the purpose of Meiosis II? • At the end of Meiosis, how many chromosomes are in each daughter cell? • Are they haploid or diploid? Do the chromosomes have sister chromatids? • Are any of the final gametes identical? Why or why not?

  10. Question • What is the purpose of Meiosis? • What are two differences between Asexual and Sexual reproduction? • What is the purpose of spermatogenesis? • What is the name of the parent cell in spermatogenesis? • What is the name of the two cells after Meiosis I of spermatogenesis? • What are immature sperm called?

  11. Questions • How many sperm are produced in spermatogenesis? • What is the name of the parent cell in oogenesis? • What are the names of the two cells after Meiosis I of oogenesis? • What are the final products of oogenesis? • How many viable eggs are produced in oogenesis?

  12. Questions • The idea that alleles on different chromosomes do not affect each other during Meiosis is called Mendel’s Law of _________ _________. • If a genotype is heterozygous and shows typical Mendelian genetics, what will the phenotype show? • If I have two of the same alleles, what two types of genotypes could this pair possibly be? • Explain why Mendel’s cross between yellow peas and green peas resulted in all yellow peas.

  13. Questions • I want to cross two traits of an organism. The mother is AABb and the father is AaBb. What are the gametes that the mother and the father will produce? (i.e. what do I put on the sides of a dihybrid Punnett Square?) • Describe the phenotype of an organism that is heterozygous for a trait that displays incomplete dominance. • Describe the phenotype of an organism that is heterozygous for a trait that displays codominance.

  14. Questions • Describe what a polygenic trait is? What are two examples? • Describe what a trait with multiple alleles is? What is one example? • Describe why males end up with X-linked genes more frequently than females. • What is the purpose of the Y chromosome? • What is the purpose of the scrotum? • Describe the pathway of sperm through the male reproductive system?

  15. Questions • What do the seminal vesicles secrete? What does the prostate gland secrete? Why is semen basic? • What is the first phase of the female’s menstrual cycle? • What occurs during the follicle stage of the female’s menstrual cycle? • What is ovulation? Why are females more likely to get pregnant during this time?

  16. Questions • Describe the purpose of the endometrium. • If fertilization does not occur, describe what occurs during the luteal stage. • If fertilization does occur, describe what occurs during the luteal stage. • Describe why fertilization actually requires several hundreds of sperm. • Describe what nondisjunction is. • If nondisjunction occurs during Meiosis I, how many incorrect gametes result?

  17. Questions • Describe what monosomy is. • What is the only survivable monosomy? Describe it. • Describe what trisomy is. • What is the name of trisomy 21 and what are two characteristics? • What is the name of trisomy 18 and what are two characteristics? • What is the name of trisomy 13 and what are two characteristics?

  18. Project Activity • Trade and “Grade” • Trade rough drafts with someone. • “Grade” the person taking the following things into account: • Grammar • Creativity • Inclusion of date • Inclusion of all six events • Inclusion of biology

  19. Editing • If you would like me to edit and make sure you have everything • Email: larkin.brittney@gmail.com • Title: First Name Last Name Journal Entries • Include: Anything that you would like me to look for specifically

  20. PSA Video • Not 5 minutes, minimum of 2 minutes now!: • 1 minute per partner • If you have three people, your PSA should be 3 minutes long • Plan out your scripts • Act them out • Things to include: • Teenage Pregnancy statistics • Risks of teenage pregnancy • Real life experiences • Prevention and safe sex • Resources

  21. Homework • Due February 4th/5th • Continue work on PSA • Continue work on 16 Journal Entries • Continue work on six child photos

  22. Digital Portfolios • Post everyone’s journal entries AND photos • Post the Baby Face Lab

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