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28 Cards in this Set

  • Front
  • Back
mutation
sudden change in offspring
germ cell
gamete
somatic
body cells or autosomes
deletion
mutation where segment of DNA breaks off
inversion
mutation where chromosome piece breaks off and attaches in reverse direction
translocation
mutation where chromosome piece breaks off and reattaches to a different chromosome
nondisjunction
failure of a chromosome to seperate from its homologue in meiosis
point mutation
substitution, addition or removal of a nucleotide
frameshift mutation
mutation that results in teh misreading of the code during translation because of a change in the reading frame
autosomes
body cells
sex chromosomes
gametes
pedigree studies
study of family history
carrier
person who passes on disorder
genetic screening
1. blood tests
2. ultrasound
3. amniocentesis
4. sampling chorionic villi
genetic counseling
getting help with disorders
ultrasound
method to detect disorders
amniocentesis
detcts abnormal amounts of fluids
sex linked traits
disorders carried on the sex chromomsomes
sex influenced traits
traits influenced by presence of male or female sex hormosomes
down syndrome
trisomy 21, extra 21st chromosome
huntintons disease
dominant allele, involuntary movements, mental retardation, and death shows up 20s,30s,40s
Klinefelter syndrom
extra X, XXY in males, sterile, retarded
Tay Sachs
Jewish of East Europe, accumulation of fat deposits
cystic fibrosis
caucasians, thick mucus causes breathing and digestion problems
codey's anemia
italian
spina bifida
spinal cord doesn't from properly
turner's syndrome
one X but no 2nd chromosome in females
disorders inherited by...
1.single gene pairs
2. X linked genes
3. Groups of gene pairs
4. Extra or missing chromosomes