lecture 18 evo and human health

lecture 18 evo and human health - Evolution in the News...

Info iconThis preview shows pages 1–11. Sign up to view the full content.

View Full Document Right Arrow Icon
Evolution in the News
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Evolution in the News Next week?
Background image of page 2
Currently, humans are not subject to natural selection. True False
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Which of the following applications of genetics to human health actually changes the genome? A) eugenics B) gene therapy C) genetic screening D) injection of EPO
Background image of page 4
Gene therapy , a method of inserting genetic material into a human to treat disease
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Gene Therapy (1)Stem cells, formative cells, are removed from the bone marrow of the afflicted infant. (1) The normal gene is carried into the defective stem cells by a benign virus, here a retrovirus, which has the ability to (1)indirectly insert the normal gene into the stem cell DNA. (1)The repaired stem cell, genetically engineered, is returned to the patient where it produces new immune system cells that now function normally, restoring the immune system to its role in thwarting infections.
Background image of page 6
Stem Cells What are they? LINK
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Which of the following is NOT true of viruses? A) Viruses may have a DNA or RNA genome. B) Viruses are dormant when isolated from cells of their hosts. C) Viral structure includes a capsid, or protein casing. D) Since viruses are not strictly alive, they cannot evolve.
Background image of page 8
Viruses attack bacteria, plants, and animals. Viruses are simple parasites- they can only reproduce within a host cell. Viruses are merely packaged sets of genes in transit from one host cell to another.
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Many viruses have short generation times and relatively high mutation rates. VIRUSES CO-EVOLVE WITH THEIR HOSTS, LIKE
Background image of page 10
Image of page 11
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 03/19/2008 for the course BIOL 101 taught by Professor Annestork during the Fall '08 term at Ithaca College.

Page1 / 34

lecture 18 evo and human health - Evolution in the News...

This preview shows document pages 1 - 11. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online