Quiz #8 Flashcards
What do neuron tubes arise from?
Embryonic ectoderm
What happens after a cell is born?
A cell is born (neurogenesis), they move to their permanent location (cell migration), and they differentiate.
Whether or not apoptosis (cell death) occurs in a neuron during development, it is innately determined by?
How many pathways are used.
What is the last stage of neuron development and continues throughout life?
Synapse rearrangement.
Can experiences cause epigenetic changes to the gene structure of an organism?
No, it doesn’t change, it just activates / causes the gene to be expressed.
Name two physical characteristics that define Alzheimer’s Disease.
Neurofibulary tangles and Beta Amyloid Plague
List the six stages of neural development.
- Neurogenesis
- Cell migration
- Cell differentiation
- Synaptogenesis
- Cell death
- Synapse rearrangement
What drives synapse development?
The ability of neurons to rearrange connections.
What is genotype?
The blueprint; all possible genetic makeup.
What is phenotype?
Which gene actually shows up.