Body plans Flashcards
1
Q
What is a homeobox gene?
A
Section of DNA 180 base pairs long coding for a part of the protein 60 amino acids long that is highly conserved in plants, fungi and animals
-This part of the protein binds to DNA and switches genes on or off
2
Q
What are hox genes?
A
A group of homeobox genes which are only present in animals
-They’re responsible for the positioning of of body parts
3
Q
What is the word which describes an animal that has two primary layers of tissue?
A
Diploblastic
4
Q
What is the word which describes an animal that has three primary layers of tissue?
A
Triploblastic
5
Q
Apoptosis and mitosis is regulated by…
A
Hox genes
