Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
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 |
