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Warm Up-AP Bio Monday, February 18

No School- Happy President’s Day. Homework Due Today: * No Homework due today. Warm Up-AP Bio Monday, February 18. Homework: * Chapter 23 due Tuesday (2/19) * H-W Lab Questions due Tuesday (2/19). Science Joke of the Week!. Where does bad light end up? Answer: In a prism!. Homework:

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Warm Up-AP Bio Monday, February 18

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  1. No School- Happy President’s Day Homework Due Today: * No Homework due today Warm Up-AP BioMonday, February 18 Homework: * Chapter 23 due Tuesday (2/19) * H-W Lab Questions due Tuesday (2/19)

  2. Science Joke of the Week! Where does bad light end up? Answer: In a prism!

  3. Homework: * Chapter 23 due Tuesday (2/19) * H-W Lab Questions due Tuesday (2/19) Warm Up- AP BioMonday, February 18-Reflection No Reflection

  4. Homework Due Today: * Please turn in chapter 23 into the front bin * Please turn in your H-W Lab Questions into the front bin Warm Up- -AP BioTuesday, February 19 A hypothetical population of 10,000 humans has 6840 individuals with the blood type AA, 2860 individuals with blood type AB and 300 individuals with the blood type BB. What is the frequency of each genotype in this population? What is the frequency of the A allele? What is the frequency of the B allele? If the next generation contained 25,000 individuals, how many individuals would have blood type BB, assuming the population is in Hardy-Weinberg equilibrium? Homework: * Chapter 24/25 due Monday (2/25)

  5. Warm Up- AP BioTuesday, February 19-Reflection Homework: * Chapter 24/25 due Monday (2/25) No Reflection

  6. 1. A population of rabbits may be brown (the dominant phenotype) or white (the recessive phenotype). Brown rabbits have the genotype BB or Bb. White rabbits have the genotype bb. The frequency of the BB genotype is .35. What is the frequency of heterozygous rabbits? What is the frequency of the B allele? What is the frequency of the b allele? 2. A population of birds contains 16 animals with red tail feathers and 34 animals with blue tail feathers. Blue tail feathers are the dominant trait. What is the frequency of the red allele? What is the frequency of the blue allele? What is the frequency of heterozygotes? What is the frequency of birds homozygous for the blue allele? Homework Due Today: * No Homework due today Warm Up - AP BioWed/Thurs, February 20/21 Homework: * Chapter 24/25 due Monday (2/25)

  7. Warm Up- AP BioWed/Thurs, February 20/21, Reflection Homework: * Chapter 24/25 due Monday (2/25) What is the purpose of BLAST? What do scientists use it for?

  8. Homework Due Today: * No Homework due today 1. Brown hair (B) is dominant to blond hair (b). If there are 168 brown haired people in a population of 200: What is the predicted frequency of heterozygotes? What is the predicted frequency of homozygous dominant? What is the predicted frequency of homozygous recessive? 2. If 98 out of 200 individuals in a population express the recessive phenotype, what percent of the population are heterozygotes? Please turn in your warm ups and login to a computer. Warm Up- AP BioFriday, February 22 Homework: * Chapter 24/25 due Monday (2/25) * Blast Lab due Friday (3/1)

  9. Warm Up- AP BioFriday, February 22-Reflection Homework: * Chapter 24/25 due Monday (2/25) * Blast Lab due Friday (3/1) 1. The ability to taste PTC is due to a single dominate allele "T". You sampled 215 individuals in a biology class, and determined that 150 could detect the bitter taste of PTC and 65 could not. What is the predicted frequency of the recessive allele (t)? What is the predicted frequency of dominant allele (T)? 2. In a population of 10,000 people, how many would be heterozygous (assuming Hardy-Weinberg equilibrium)? Homozygous dominant? Homozygous recessive? Calculate all of the potential frequencies.

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