bio30 u2 l10 reproductive technologies
TRANSCRIPT
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Reproductive Technologies
Biology 30
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Learner OutcomeLearner OutcomeLearner OutcomeLearner Outcome::::
• Describe the physiological or mechanical basis
of different reproductive technologies;
– i.e., conception control, in-vitro fertilization,
infertility reversal
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Infertile vs. Sterile
Infertility – trouble getting pregnant
Sterility – not able to become pregnant
(permanent)
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Reason in Males:
• low sperm count
• decreased testosterone levels
• injury
• mumps
• blockage – from trauma or infection
• vasectomy (surgical cutting of vas deferens) text pg. 513
• psychological factors
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Reasons in Females:• inability to produce eggs
• stress
• rigorous activity (sports training)
• breast feeding (sometimes)
• blockage – cervix or fallopian tubes
• inability to carry an embryo
• tubal ligation (text. pg. 523)
• hysterectomy (removal of uterus)
• oophectomy (removal of ovary)
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Artificial Insemination
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IVF
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Inside the IVF Lab
• http://www.dailymotion.com/video/x9alkl_ex
clusive-inside-the-ivf-lab_tech
• Hard link
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Prenatal Diagnosis
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CVSChorionic Villi Sampling
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Fertility Drugs
• Artificial Hormones to help induce the
reproductive system of a woman.
• FSH can be used to stimulate a woman to
produce multiple mature oocytes for triggered
ovulation (LH) or harvest for IVF
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To Do:
• Case Study: Human Reproductive Technology
– Page 542-543 #1-5
• #5 is worth 4 marks so make sure you explain your
answer!