Lesson Plan: B2.3.07


LESSON PLAN
Teacher Subject Period Date Year Ability LSA/Other Support
Science

Context and
Landmark
Assessment		 B2.3.07
Landmark Assessment: Progress Observation Opportunity
Remember to have high expectations
Lesson Title: Today we are learning about
How are some disorders inherited?
Remember to check for PROGRESS
Focus on Knowledge, Skills and Understanding
Success Criteria: You will show your learning by...
  1. Some disorders are inherited. These disorders are caused by the inheritance of certain alleles.
  2. Polydactyly (having extra fingers or toes) is caused by a dominant allele.
  3. Cystic fibrosis (a respitory disease) is caused by a recessive allele, so both parents must carry the gene in order for the offspring to have the disease.
  4. Students should make informed judgements about the economic, social and ethical issues concerning embryo screening, given appropriate information. Appreciate that embryo screening and gene therapy may alleviate suffering but consider the ethical issues which arise.
  5. Ordinary human body cells contain 23 pairs of chromosomes.
  6. 22 pairs control characteristics only, but one of the pairs carries the genes that determine sex.
  7. ? In females the sex chromosomes are the same (XX). ? In males the chromosomes are different (XY).
  8. Students should be able to carry out a genetic cross to show sex inheritance.
  9. Students should understand and use direct proportion and simple ratios in genetic crosses.
Think about how you can match the needs of ALL students
Keywords:
  • Embryo screening: testing cells of an embryo for the presence of any genetic conditions. (1)
  • Sex Chromosomes: the 23rd pair of chromosome that determines the sex of the person. (1)
  • Cystic Fibrosis: a genetic disorder that alters the mucus in the body affecting the lungs and digestion. (1)
  • Polydactyly: genetic condition of having extra fingers or toes. (1)
Links: Literacy, Numeracy, SMSC, British values
Memory Anchor:

AFL/Key Questions:
  1. How are inherited diseases passed on?
    These disorders are caused by the inheritance of certain alleles.
  2. What causes polydactyly?
    Polydactyly (having extra fingers or toes) is caused by a dominant allele.
  3. What causes cystic fibrosis?
    Cystic fibrosis (a respitory disease) is caused by a recessive allele, so both parents must carry the gene in order for the offspring to have the disease.
  4. What are the economical, social and ethical issues concerning embryo screening?
    Embyro screening is expensive, can damage/kill the embryo, can prevent suffering, some people believe all life is valueable despite disease
  5. How many chromosomes are found in an ordinary human body cell?
    Ordinary human body cells contain 23 pairs of chromosomes.
  6. What does the 23rd choromsome determine?
    sex (male or female)
  7. What is combination of sex chorosomes for a male and female?
    ? In females the sex chromosomes are the same (XX). ? In males the chromosomes are different (XY).
  8. Draw a genetic cross to show sex inheritance
  9. What is the probability of having a male or female offpsring?
    1:1 / 50%
Identify questions for high, middle, low and identify questioning techniques- Challenge questions

Learning Phases/Episodes
Think about how you can match the needs of ALL students
Differentiation: AGT, SEND, LLL, Disadvantaged
Remember to check for PROGRESS
Starter Activity Differentiation and Challenge question/task
  • Students to copy and complete the keywords.
  • Teacher reveals missing letters; Students correct mistakes;
  • Discuss the scientific meanings of the words.
  • Students to write down the definitions of the most important / new keywords.
  • Discuss the 'Memory Anchor'.
    • What does it show?
    • How does it relate to the what we are learning about today (title)?
Think about PACE – Develop, consolidate and deepen knowledge, skills and understanding
Teacher or Student lead? Differentiation and Challenge question/task
Progress Check Extension
Remember to give time to apply knowledge, skills and understanding
Teacher or Student lead? Differentiation and Challenge question/task
Progress Check Extension

Teacher or Student lead? Differentiation and Challenge question/task
Progress Check Extension

Teacher or Student lead? Differentiation and Challenge question/task
Progress Check Extension


Plenary Differentiation and Challenge question/task
  • Students to answer the 'Key Questions' with learning partners.
Progress Check
  • Teacher to reveal and discuss the answers to the questions.
 Extension
  • What have learnt about the 'Big Ideas' today?

Homework Differentiation and Challenge question/task