genetics Flashcards
what are the 3 diagnostic tests?
phenylketonuria,
sickle cell anaemia,
sweat test
how can Huntington’s be diagnosed?
chronic villus sampling
where are antigens found?
on surface coats of disease
what do antigens cause?
microbes or pathogens
what do antigens act as?
identity markers for different types of pathogens
what do antibodies do?
neutralize antigens and prevent microbes from multiplying
what can antibodies be phagocytosed by?
granulocytes and monocytes
what are antibodies?
chemically globulins
what do antibodies form?
an important part of immune system
what are genes?
basic unit of heredity
what do genes do?
encodes synthesis of gene product
what do mutations do to individuals?
harmful in humans
when do mutations normally happen?
during cell division when the copying of DNA in chromosomes and genes go wrong
what will happen if mutation happens in a cell?
only causes harmful effects in the new cells resulting from the division of that cell
what happens If mutation occurs during formation of gametes and process of a gamete becoming a zygote?
will affect the entire individual
