Division And Differentiation Flashcards
(19 cards)
Where are embryonic stem cells located
Blastocyst
Describe a current use for stem cells
IVF (a procedure that is used to help some people have babies)
Describe a FUTURE use for stem cells
Treating diabetes and Alzheimer’s
Are somatic cells haploid or diploid
Diploid
Are germline cells haploid or diploid
Haploid and diploid
How do somatic cells divide
Mitosis
How do germline cells divide
Both
Where are germline cells found
Reproductive organs
What causes cancer
Uncontrolled growth and the fact that cancer cells do not respond to regulatory signals
Pluripotent meaning?
Can differentiate into any cell type in the organism
Multipotent meaning?
Can only give rise to a limited number of cell types
Give some examples of SOMATIC cells
Skin cell red blood cell or any non reproductive cell
What are somatic cells
Stem cells that have become specialised (differentiated)
What are some ethical issues with the use of embryonic stem cells
Gathering Stem cells take away the potential to become a human being
How many pairs of homologous chromosomes do diploid cells have
23
Haploid cells have 23…
Single chromosomes
What do scientists use to grow cells in the lab
Cell culture
Cells from a blastocyst are out in a flask with nutrients and left to divide
What are the two types of stem cell
Embryonic and tissue
Why do our bodies need stem cells
Growth and repair
