Inherited Disorders OALH - David Spratt | Biblioteka

Do Now

1

Which of these is heterozygous?

HH

hh

Hh

1

Which of these is homozygous recessive?

HH

hh

Hh

1

Define a gene

1

Name the two lens’ on a microscope

1

Convert the following number to 3 significant figures – 345678 (1

345

346

345000

346000

1

What are the main two things that happen in the second stage of mitosis?

Key Knowledge

1

What does inherited disorder mean?

1

What is the inherited disorder polydactyly (extra fingers or toes) caused?

1

What is the inherited disorder cystic fibrosis (a problem with the cell membrane) caused by?

1

Which sex chromosomes does a biologically male person have?

1

Which sex chromosomes does a biologically female person have?

1

Define genetic screening

1

What does inherited disorder mean?

1

What is the inherited disorder polydactyly (extra fingers or toes) caused?

1

What is the inherited disorder cystic fibrosis (a problem with the cell membrane) caused by?

1

Which sex chromosomes does a biologically male person have?

1

Which sex chromosomes does a biologically female person have?

1

Define genetic screening

Recall quiz

1

Which person would have cystic fibrosis

Cc

CC

cc

cC

1

Which person would not have polydactyly?

pp

PP

pP

Pp

1

Which person would not have polydactyly?

1.Homozygous dominant

2.Heterozygous

3.Homozygous recessive

1

Which person would have cystic fibrosis?

1.Homozygous dominant

2.Heterozygous

3.Homozygous recessive

1

Which person would have cystic fibrosis?

1. cc

2. Cc

3. Cc

4. CC

1

Which two people would have polydactyly?

1. Pp

2. Pp

3. pp

4. pp

1

Which person would have cystic fibrosis?

1. Cc

2. cc

3. CC

4. Cc

1

State a disadvantage of genetic screening:

1.Can be unethical because they may choose to alter the foetus.

2.Can be unethical because they may choose to abort the foetus.

3. Can be unethical because they may choose to abort the baby

4.Can be ethical because they may choose to abort the foetus.

1

Which person is biologically male?

XX

XY

YY

Y

I Do

1

What is the probability of a child being male or female? Parent Phenotype?

1

What is the probability of a child being male or female? Parent genotype?

1

What is the probability of a child being male or female? Draw the punnett square

1

What is the probability of a child being male or female? Probability?

You Do Number 1

1

Parent Phenotype

1

Parent genotype

1

Punnett Square

1

Probability

You Do Number 2

1

Parent Phenotype

1

Parent genotype

1

Punnett Square

1

Probability

You Do Number 3

1

Parent Phenotype

1

Parent genotype

1

Punnett Square

1

Probability

You Do Number 4

1

Parent Phenotype

1

Parent genotype

1

Punnett Square

1

Probability

You Do Number 5

1

Parent Phenotype

1

Parent genotype

1

Punnett Square

1