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;
12 Cards in this Set
- Front
- Back
|
Time Span Research
Cross-sectional approach |
individuals of different ages are compared at one time (like computer knowledge) Limitation changes like you can’t see things change through time
|
|
|
Time Span Research
Longitudinal approach |
same individuals are studied over a period of time, usually several years
Example studied 4 year olds until they are in young adulthood, it is expensive and require a lot of time |
|
|
Time Span Research
Sequential approach |
You do both cross-sectional approach and a longitudinal approach
You study 5, 15, 20, and etc. year olds and you check on them every 5 years |
|
|
Fertilization
Zygote |
A stage in reproduction whereby an egg and sperm fuse to create a single cell, called a zygote
A single cell formed through fertilization |
|
|
Sex-Linked Chromosomal Abnormalities
Klinefelter syndrome (male) |
Extra X Chromosome
XXY pattern most typical Boys look normal and have underdeveloped testes; individual infertile Both male and female type changes at puberty Possible language and learning disabilities |
|
|
Sex-Linked Chromosomal Abnormalities
XYY syndrome (male) |
Additional Y-chromosomes, also called Super male, taller and bigger teeth, experience puberty normally and have kids, sometime use as a reason for violence
|
|
|
Sex-Linked Chromosomal Abnormalities
Fragile X syndrome |
(male and female mostly male) – X-chromosome becomes constricted and often breaks
Long face, prominent ears, high arched palate and soft skin An abnormality in the X-chromosome may cause MR, LD, and short attention span Special Education, speech and language therapy like |
|
|
Sex-Linked Chromosomal Abnormalities
Turner’s syndrome (only female) |
– XO pattern (x missing or part of x deleted)
Stunted growth Web neck, low set ears, edema (hands & feet), broad chest, etc. Sexual underdevelopment (ovaries) W/o HT do not menstruate or develop breast at puberty Although infertile; womb and reproductive parts normal (but not ovaries) Less than normal spatial ability; average or above verbal skills |
|
|
Prenatal Diagnostic Test
Ultrasound sonography |
high frequency sound waves directed to women abdomen transformed into visual representation of inner structures
|
|
|
Prenatal Diagnostic Test
Fetal MRI |
more detailed images of the baby
|
|
|
Prenatal Diagnostic Test
Chorionic villi sampling |
sample of the placenta removed and analyzed
|
|
|
Prenatal Diagnostic Test
Amniocentesis |
sample of amniotic fluid withdrawn by syringe and tested for chromosomal or metabolic disorders usually done between 3 and a half and 5 months
|
