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
How many regions in adults are adult stem cells found
8
What are all the regions in which adult stem cells can be found
Brain
Eyes
Blood
Heart
Liver
Bone marrow
Skin
Muscle
Adult stem cells can differentiate into _____cell types only
Related
What can bone marrow cells differentiate into
Blood cells and cells if the immune system
