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what does "Parents can choose to screen embryos created via in vitro fertilization (IVF) for sex or diseases, a process known as pre-implantation genetic diagnosis” (Ghose)" mean?

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Answer:

parents can check if the embryo has a disease

if it does, they can terminate the pregnancy

some of these are caused by a change in a single gene known as a single gene disorder

if one or both parents are carriers of a genetic disorder, they have a chance of passing it to their children even if they themselves are healthy.

Step-by-step explanation:

pre-implantation genetic diagnosis aka PGD

checks for diseases in embryos like

Cystic fibrosis.

Tay-Sachs disease.

Spinal muscular atrophy (SMA)

Hemophilia.

Sickle cell disease.

Duchennes muscular dystrophy.

Thalassemia

Down syndrome

some of these are caused a change in a single gene known as a single gene disorder

yourgenomeorg

learngeneticsutahedu

User Tolgay Toklar
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