Cell Division Flashcards
Chromosomes carry genetic information in a molecule called?
Dna
A type of cell division called ______ ensures that when a cell divides each new cell produced has the same genetic information
Mitosis
DNA exists in a cells nucleus within structures called_______
Chromosomes
What does each section of a chromosome contain
The code for the production for a particular protein which is called a gene
What is each chromosome made of?
A single molecule of DNA
What does the DNA do when a cell is ready to divide?
The DNA copies itself,then coils and condenses to form the chromosomes that we see in micrographs
Each human body cell contains ____ chromosomes These can be arranged into ____pairs
46 chromosomes
23 pairs
In females the two chromosomes are indentical in what?
They are identical in shape
What are the two types of chromosomes in females?
X X chromosomes
What are the two chromosomes in males?
X Y chromosomes
What are stem cells
Cells that have not undergone differentiation
What is a cell that has not yet become specialised called?
Undifferentiated
What does an embryo develop from
A fertiliser egg
If cells are removed from the embryo what are they called
Embryonic stem cells
What will embryonic stem cells do
Differentiate into any cell type
