Term
|
Definition
A chart that shows genetic relationships among related individuals |
|
|
Term
inheritance of marfan's syndrome |
|
Definition
|
|
Term
how do you know if something is dominant by a pedigree |
|
Definition
it is in every generation |
|
|
Term
how do you know if something is autosomal in a pedigree |
|
Definition
it shows up in both sexes |
|
|
Term
what do recessive diseases do in pedigrees |
|
Definition
|
|
Term
|
Definition
passed from mother to son |
|
|
Term
sex-links traits in daughters |
|
Definition
from fathers/ daughters only carriers |
|
|
Term
|
Definition
governed by more than one gene |
|
|
Term
|
Definition
The number, size and shape of the chromosomes of a somatic cell arranged in a standard manner. |
|
|
Term
how many chromosomes does a normal person have |
|
Definition
|
|
Term
how many chromosomes does each parent give to offspring |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
22 pairs of chromsomes other than sex chromosomes |
|
|
Term
how many bases/ genes does chromsomes 22 (smallest) have |
|
Definition
|
|
Term
chromosomal address x(q or p)y find x |
|
Definition
|
|
Term
chromosomal address x(q or p)y find p or q |
|
Definition
q is long arm and p is short arm |
|
|
Term
chromosomal address x(q or p)y find y |
|
Definition
|
|
Term
|
Definition
DNa to protein to trait/ DNA contains the code for making proteins and proteins determines the trait |
|
|
Term
|
Definition
|
|
Term
|
Definition
carry out a function for the organism |
|
|
Term
what do mutated genes result in? |
|
Definition
|
|
Term
why is alkaptonuria special? |
|
Definition
it was the first disorder to be associated with a gene |
|
|
Term
|
Definition
blackened urine; arthritis |
|
|
Term
how is alkaptonuria inheritated |
|
Definition
|
|
Term
why is alkaptonuria autosomal recessive? |
|
Definition
often skipped a generation; inbred people |
|
|
Term
who coined inborn errors of metabolism? and when? |
|
Definition
|
|
Term
why is urine balck in alkaptonuria? |
|
Definition
|
|
Term
|
Definition
when amino acids phenylalanine and tyrosine are broken down |
|
|
Term
what is responsible for breaking down HGA |
|
Definition
|
|
Term
how many enzymes are defective in alkaptonuria? |
|
Definition
|
|
Term
What is responsible for screwing up the enzyme that breaks down HGA |
|
Definition
|
|
Term
what is an inborn error of metabolism? |
|
Definition
inherited condition where an enzyme is not functioning |
|
|
Term
autosomoal dominant is when |
|
Definition
a condition is dominant and not on a sex chromosome |
|
|
Term
autosomal recessive is when |
|
Definition
a condition is not on a sex chromosome and is recessive |
|
|
Term
sex-linked conditions are |
|
Definition
usually located on the X chromosome and occur more in males |
|
|
Term
how rare is alkaptonuria? |
|
Definition
|
|
Term
how many mutations in the gene HGD are known to cause Alkaptonuria? |
|
Definition
|
|
Term
how is PKU, phenyketonuria inherited? |
|
Definition
|
|
Term
what does the mutation that causes PKU do? |
|
Definition
screws up gene that makes the enzyme that breaks down phenylalanine |
|
|
Term
what builds up in a person with PKU? |
|
Definition
|
|
Term
what does a build up of phenylalanine cause? |
|
Definition
|
|
Term
what is the treatment for PKU? |
|
Definition
|
|
Term
what does the enzyme effected during PKU usually do? |
|
Definition
breaks down phenylalanine into tyrosine |
|
|
Term
how is huntington's disease inherited |
|
Definition
|
|
Term
who first described huntington's disease?when? |
|
Definition
George Huntington in 1872 |
|
|
Term
symptoms of huntington's chorea? |
|
Definition
chorea refers to lack of muscle control |
|
|
Term
what causes lack of muscle control in huntington disease? |
|
Definition
|
|
Term
when do symtoms begin in huntington's disease? |
|
Definition
|
|
Term
Nancy Wexler and huntington's disease |
|
Definition
research lead to discovery of gene and development of genetic test |
|
|
Term
what causes the mutation of the gene that causes huntington's? |
|
Definition
too many repeated triplets of CAG |
|
|
Term
what does CAG code for in the huntington's disease? |
|
Definition
|
|
Term
|
Definition
The vampire disease/ disorders that cause abnormalities in the chemical steps the lead to heme production |
|
|
Term
|
Definition
a component of hemoglobin that carries oxygen to the blood |
|
|
Term
|
Definition
mostly in blood, the liver, and marrow |
|
|
Term
what does the mutation in porphyria do? |
|
Definition
screws up heme production |
|
|
Term
what enzyme is lacking in prophyria? |
|
Definition
|
|
Term
what is the symptoms of porphyria? |
|
Definition
sun-sensitive , cramps, seizures, purples urine, hallucinations |
|
|
Term
what caused the madness of King George? |
|
Definition
|
|
Term
why were king george's symtoms so severe? |
|
Definition
a medicine he took contain arsenic which interferes with heme production |
|
|
Term
what are the symptoms of marfan syndrome? |
|
Definition
long limbs and fingers/long face/vision problems/ heart problems |
|
|
Term
what is the mode of inheritance of prophyria? |
|
Definition
|
|
Term
what is the nheritance of marfan's? |
|
Definition
|
|
Term
what is marfan's syndrome a disorder of ? |
|
Definition
|
|
Term
what chromosome is the mutation that causese marfan's? |
|
Definition
|
|
Term
what protein is coded for in the gene where the marfan's mutaiton takes place? |
|
Definition
|
|
Term
|
Definition
binds itself to other proteins and molecules to form microfibrils |
|
|
Term
|
Definition
become part of the fibers that provide strength and felxibility to connective tissue |
|
|
Term
how is werewolf syndrome (hypertrichosis)inherited |
|
Definition
sex-linked on x chromosome |
|
|
Term
what kind of mutation happens in werewolf syndrome? |
|
Definition
an atavistic mutation (return to ancestral phenotype) |
|
|
Term
werewolf syndrome in women |
|
Definition
much more rare/ due to x chromosome inactivation/ hair occurs in patches |
|
|
Term
how is hemophilia inherited? |
|
Definition
sex-linked in the x chromosome |
|
|
Term
what famous person had hemophilia |
|
Definition
Queen Victoria of England |
|
|
Term
what are the symptoms of hemophilia? |
|
Definition
blood doesn't clot normally/ internal bleeding |
|
|
Term
how many genes cause hemophilia? |
|
Definition
two genes/ two types of hemophilia |
|
|
Term
old treatment of hemophilia |
|
Definition
transfusion of blood/plasma |
|
|
Term
70-80s treatment of hemophilia |
|
Definition
clotting factors transfused (contracted AIDS a lot) |
|
|
Term
Treatment of hemophilia now |
|
Definition
cultures of clotting factors |
|
|
Term
future treatment of hemphilia |
|
Definition
|
|