DNA and Genetics - chapter 5

• Biologie
• Middelbare school
• vwo
• Leerjaar 3

What do squares represent?

1. Female
2. Male

What do circles represent?

1. Female
2. Male

What do the colored symbols represent?

1. They are ill
2. They carry a certain trait
3. They are dead
4. They are still alive

What does a horizontal line between two symbols represent?

1. They are siblings
2. They are partners

Dominant or reccesive?

1. Dominant
2. Recessive

Dominant or reccesive?

1. Dominant
2. Recessive

How many generations are shown on the pedigree?

1. 1 generation
2. 2 generations
3. 3 generations
4. 4 generations

Which parent in the first generation carries the allele sickle cell anemia?

1. Father
2. Mother

How many children do the parents of the first generation have?

1. 2
2. 4
3. 6
4. 8

How many children were born in the 3rd generation?

1. 2
2. 4
3. 6
4. 8

Is the gene for sickle cell anemia likely to be dominant or recessive? Explain your answer