Genetic Screening And Disorders Flashcards
What is genetic screening used for ?
Parent identification Disease screening Genotype profiling Breed identification Breeding coefficients
What samples can genetic testing be carried out on ?
Genetic testing can be carried out on blood, skin and amniotic fluid or fur.
What is severe combined immunodeficiency ?
A condition which occurs in humans, dogs, mice and Arabian horses. It is an autosomal recessive disease (both parents must pass on a copy of the recessive gene for offspring to have the disease).
The animal has a malfunctioning immune system leading to death within a few months.
What is Von Willebrand Disease ?
An autosomal recessive blood clotting disorder that can occur in humans and dogs. It leads to difficulty controlling bleeding after injury.
What is Freemartinism ?
A condition which occurs in cattle where a male and female twin develop simultaneously. The foetuses share the placenta where hormones from both mix. The female may be infertile and show characteristics of a male reproductive system and have cells with XY chromosomes.
