Term
|
Definition
| Located on the Y chromosome and makes males become males, without will be female |
|
|
Term
|
Definition
| small tips on each arm on Y chromosome PAR1 and PAR2 |
|
|
Term
|
Definition
| remainder of Y choromosome with palindrome ridden areas |
|
|
Term
|
Definition
| dependant on one X instead of 2 X’s |
|
|
Term
| Is Y gene becoming larger or smaller |
|
Definition
|
|
Term
|
Definition
| stimulates male development which isn’t secreted in female development |
|
|
Term
| Cause of Prader-Willi & Angelman syndrome |
|
Definition
| small deletions in same region on chromosome 15- child is small then becomes obese |
|
|
Term
|
Definition
| extra hair follicles so dense and more abundant upper body hair |
|
|
Term
|
Definition
| enzyme deficiency blocks removal of cholesterol from skin cells |
|
|
Term
| Congenital adrenal hyperplasia |
|
Definition
: Enzyme blocks testosterone & DHT accumulation (early puberty
In males, 2nd sex characteristics in girls, enlarged clitoris/penis) |
|
|
Term
| Androgen insensitivity syndrome |
|
Definition
| : mutation in gene on Xchromosome, absence of receptors for androgens (testosterone & DHT) stops cells from receiving signal to make male |
|
|
Term
| 5-alpha reductase deficiency |
|
Definition
| Wild type SRY gene, testes inside appears female but is male |
|
|
Term
|
Definition
| 75% of one X chromosome is inactivated, rest are expressed to different degrees, occurs randomly, makes females chromosomally equivalent to males, alters phenotype |
|
|
Term
|
Definition
| the tendency to revert to ancestral type- ex: baby w/tail, hind legs on whales |
|
|
Term
|
Definition
| fingerprints, function is to carry water & nutrients to and from our upper skin layers, it can be effected by environment. |
|
|
Term
|
Definition
Dominant in males, recessive in females
Heterozygous male=bald
Homozygous Recessive female= bald |
|
|
Term
|
Definition
Colorblindness,
Hemophilia |
|
|
Term
|
Definition
| skin color, weight, height, eye color, hair color. Eye color only one not affected by environment |
|
|
Term
|
Definition
| melanin that gives pigment to the skin |
|
|
Term
|
Definition
|
|
Term
| Coefficient of Relatedness |
|
Definition
| proportion of genes that 2 people related share |
|
|
Term
|
Definition
| identical twins coming from one egg |
|
|
Term
| 2 types of nervous system cells |
|
Definition
neuron (nerve cell)
neuroglia (helper cells |
|
|
Term
|
Definition
| Branches entering neuron carrying impulses to cell body |
|
|
Term
|
Definition
| Processes impulses. Contains nucleus and organelles |
|
|
Term
|
Definition
| Long branch that carries impulse away from neuron |
|
|
Term
|
Definition
| Fatty substance that surrounds axon |
|
|
Term
|
Definition
| gaps in the myelin sheath |
|
|
Term
|
Definition
| -neuron to neuron associations |
|
|
Term
|
Definition
| chemical messengers that neurons use to communicate. |
|
|
Term
| What type of cell does cancer originate in the brain |
|
Definition
|
|
Term
| Schizophrenia controls the production of what part of the neuron? |
|
Definition
| Myelin. 3 genes control this |
|
|
Term
| Symptoms of schizophrenia appear- |
|
Definition
Symptoms of psychosis begin:
• 17 & 27 for males
• 20 & 37 for females |
|
|
Term
| Environmental Triggers of Schizophrenia |
|
Definition
1. Maternal malnutrition
2. Infection by Borna virus
3. Fetal oxygen deprivation
4. Obstetric or birth complication
5. Psychoactive drug use (phencyclidine—PCP)
6. Traumatic brain injury
7. Herpes infection at time of birth |
|
|
Term
Bipolar disorder &
Depression |
|
Definition
| caused by deficiency of neurotransmitter of serotonin |
|
|
Term
| Why are drugs so addictive? |
|
Definition
because it changes the brain and it has very high cravings and also people are
genetically predisposed to addiction |
|
|
Term
| What part of the brain does alcohol affect? |
|
Definition
|
|
Term
|
Definition
| means by which action potentials are transmitted along myelinated nerve fibers. |
|
|
