Question 1
The only gene that has been positively identified with the onset of Alzheimer disease encodes a protein that ___________________.
◦ is involved in cholesterol metabolism
◦ breaks down neurotransmitters
◦ maintains the health of striatum cells
◦ attaches amino acids to tRNA molecules
◦ breaks down fatty deposits around neurons
Question 2
The phenotype in many human behavioral traits are
◦ due to minor genes with no single gene having a major effect.
◦ due solely to environment.
◦ due to environmental interaction and several genes.
◦ due to minor genes with no single gene having a major effect
and due to environmental interaction and several genes
only.◦ due solely to environment
and due to environmental interaction and several genes
only.
Human Evolution
24 weeks old human fetus
Human embryonic stem cells differentiated to neural cells
Human Fetus
Human Development
Human Aneuploidies and Frequencies at Birth