GCSE Combined Science (AQA)

622 videos | 38 hours

Embryo Screening

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Inheritance, Variation and Evolution Reproduction

Embryo Screening

2:45 Sex Determination and Inherited Disorders
Spec 4.6.1.7
Previous Polydactyly Next Cystic Fibrosis
  • People with a family history of genetic disorders are offered embryo screening.
  • Embryo screening involves testing cells from fertilized embryos for genetic disorders, such as cystic fibrosis.
  • The process allows parents to make informed decisions about continuing or terminating a pregnancy.
  • Embryo screening process:
  • Eggs are collected from the ovaries using a specialized syringe.
  • Eggs are then fertilized with sperm in a laboratory.
  • Embryonic cells are tested for genetic disorders.
  • Only embryos without genetic disorders are implanted into the uterus.
  • Some embryos are discarded during the process.
  • Economic, social, and ethical issues of embryo screening:
  • Embryo screening is expensive.
  • Some view it as unethical or against their religious beliefs.
  • Ethical concerns include whether embryos should have rights and the potential harm to embryos during screening.
  • Discarded embryos could be used for medical research and providing stem cells.
  • Some argue that preventing human suffering should take priority, helping to have children with a lower risk of genetic disorders.
  • Embryo screening can prevent the transmission of genetic disorders like cystic fibrosis to future generations.

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