YR3-K16-LSN2

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Slide 1: Diapositive
BiologieMiddelbare schoolhavo, vwoLeerjaar 3

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ENTRY TICKETS:
  • Complete the KWIZL "ET_CH16_LSN2"
  • Grade some else's work.
  • Give feedback.
  • Reflect on your own work. 
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Slide 1 - Diapositive

HAVE READY
  • JOIN THIS LESSONUP
  • YOUR NOTEBOOK
  • KERBOODLE PAGE 247
  • GOOGLE CLASROOM

Slide 2 - Diapositive

PLAN FOR TODAY:
  • CHECK IN CLASS ASSIGNMENTS LESSON 1
  • HW FOR LESSON 2 (ANY QUESTIONS)
  • PRACTICE QUESTIONS
  • IN CLASS ASSIGNMENTS LESSON 2

Slide 3 - Diapositive

ASSIGNMENTS DURING LESSON 1

  • CHECK THE ANSWERS
  • ASK QUESTIONS 

Slide 4 - Diapositive

  • I know what heterozygous and homozygous genes are and I can explain the difference.
  • I know what genotype and phenotype is and I can explain the difference.
  • I understand and can explain the difference between dominant & recessive genes.
  • I can use a punnet square to show the inheritance of certain genes.


  • HETEROZYGOUS
  • HOMOZYGOUS
  • DOMINANT
  • RECESSIVE
  • ALLELES
  • GENOTYPE
  • PHENOTYPE
  • PUNNET SQUARES

KERBOODLE P. 246-252

Slide 5 - Diapositive

Steps with Punnet Squares
  1. Identify your alleles.
  2. Identify genotype parent 1. Show possible gametes.
  3. Identify genotype parent 2. Show possible gametes.
  4. Fill in your punnet squares.
  5. Write down ratios of the possible genotypes.
  6. Write down ratios of the possible phenotypes.

Slide 6 - Diapositive

PRACTICE ASSIGNMENTS
INHERITANCE

Slide 7 - Diapositive

Practice assignments in class: #1
Someone's gender is also genetic, in this case I mean the sex you are born with and not the gender you identify with.
a. What alleles exist in terms of gender? 
b. What are the parents genotypes? and possible gametes?
c. Show the possible crosses in a punnet squares.
d. What possible outcomes are there. 

Slide 8 - Diapositive

Practice assignments in class: #2
With Labradors the chocolate colour is dominant and the blond colour is recessive. Work through all the steps you just wrote down to give me a prediction of the offspring of two chocolate labradors that both have heterozygous genes. Work using the letter B.

Slide 9 - Diapositive

Practice assignments in class: #2
  1. B = chocolate, b = blond
  2. Genotype parent 1 = Bb, gametes = "B" & "b"  
  3. Genotype parent 1 = Bb, gametes = "B" & "b"

Slide 10 - Diapositive

Practice assignments in class: #2
4. 


5.  25% BB, 50% Bb & 25% bb
6. 75% chocolate & 25% blond
B
b
B
BB
Bb
b
Bb
bb

Slide 11 - Diapositive

ASSIGNMENTS FOR LESSON 2:
  • START AT THE LEVEL THAT APPLIES TO YOU
  • THEY MUST BE COMPLETED BEFORE THE NEXT LESSON
  • FIRST 10 MINUTES IN SILENCE, THEN YOU CAN DISCUSS AND ASK QUESTIONS

Slide 12 - Diapositive

HOMEWORK FOR LESSON 3:
  • STUDY THE WRTS LSN 1-3
  • COMPLETE THE HW FOR LESSON 3
  • COMPLETE ANY IN CLASS ASSIGNMENTS LEFT FROM THIS LESSON IN YOUR NOTEBOOK
  • DOUBLE CHECK YOU UNDERSTAND EVERYTHING

Slide 13 - Diapositive