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Chapter 16 GENE
Genetics Chapter 16 Human Heredity
| Question | Answer |
|---|---|
| Most common cause of female infertility | oviduct blockage, uterine problems, damaged or absent ovaries. Hormone- related ovulation problems. Then hormone related problems. |
| Problem with fertility percentage in US | 13% |
| Male infertility | Varicocele is 37% |
| Assisted reproductive Technologies | A series of methods used to help infertile couples have children |
| In vitro Fertilization | Gametes are collected and fertilized in a dish, resulting zygote is implanted in the uterus |
| Gamete intrafallopian transfer | Gametes are collected and placed in a woman's oviduct |
| Intracytoplasmic sperm injection | An egg in fertilized by microinjection of a single sperm count or motility |
| Zygote intrafallopian transfer | Zygote placed in the oviduct |
| Risks of ART | Threefold increase in ectopic pregnancies, Multiple births (35% in IVF), Increased risk of low birth weight, Increased risk of transmitting genetic defects to male children (in ICSI) |
| Germ-line gene therapy | Gene transfer to gametes or the cells that produce them. Transfers a gene to all cells in the next generation, including germ cells |
| Enhancement gene therapy | Gene transfer to enhance traits such as intelligence and athletic ability rather than to treat a genetic disorder |
| Erythropoietin | Hormone that increase production of red blood cells to enhance athletic performance |