Stambomen

• Biologie
• Middelbare school
• havo, vwo
• Leerjaar 3

Welcome!

Today:

Repeating exercises genetics

Explanation about family trees 

Making our own family tree

Blue eyes is dominant over green eyes. A mother who has green eyes is having children with a heterozygous father. What eye colour does the father have?

Blue eyes is dominant over green eyes. A mother who has green eyes is having children with a heterozygous father. What is the chance the child has blue eyes?

Blue eyes is dominant over green eyes. A mother who has green eyes is having children with a heterozygous father. What is their first child has green eyes, but the second child had blue eyes?

Blue eyes is dominant over green eyes. Both parents are heterozygous. How many genotypes are there, and how many phenotypes are there? Name them all as well.

What are we going to learn today?

What a family tree is and what it consists of. 

Make accurate guesses on whether a trait is dominant or recessive with information from the family tree.

Make accurate guesses of someone's genotype is with information from a family tree. 

Family trees

Family trees give a clear overview of the members of your family and see who is a child of whom. 

However, in biology we use it for a different reason.

Family tree in biology 

Which fur colour is recessive?

1. Black
2. White

Time to get to work!

The homework for next lesson will be 1 trough 14. You have the rest of this lesson to work on it!