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15 Cards in this Set

  • Front
  • Back
dominant traits?
brown eyes
widow's peak
free earlobes
genotype?

_______of a specific______?

same variation of that gene?

two diff var of the gene?
genetic constitution of a character

allelic makeup of a specific gene

homozygous

heterozygous
Phenotype-
what kind?

what is it?

exs?

________+________=phenotype
measurable trait

expression in a subset of individuals w/in a population

eye color,cystic fibrosis, schizophrenia

genotype+environment=phenotype
Dominance-
eye color?presence?earlobe?

Punnett Square
brown,widow's peak,free

prediction in phenotype
Tay-Sachs-
Homozygous: what is TT?
what is tt?

Heterozygous: what is Tt?
normal alleles (enzyme prod)
normal phenotype

mutant alleles(no enzyme prod)
Tay-Sachs phenotype

partial enzyme production
normal phenotype
Modes of Biological Inheritance-
1.)# of what? two types?

2.) Involved what? three types?
# of genes
monogenetic/polygenetic

chromosomes

autosomal-nonsex, down syndromes
gonosomal-sex chroms
-extra x or y or missing one
mitochondrial DNA
Genetic Disorders-
how many known?

ratio of what?
4,000 genetic disorders

1 in 20 w/ at least one copy of the defective gene
Single Gene Disorders-
name four.
Cystic fibrosis
sickle cell anemia
muscular dystrophy
tay-sachs disease
Polygenic disorders-
name seven.
ADHD
Asthma
Alzheimer's disease
Arthritis
Autism
Alcoholism
Schizophrenia
___+___=phenotype

what map=genotype
genotype/environment

human genotype map
mapping the human genome-
began?rough draft? completion?
cost?
1990
2000
2003
$3.5 billion
human genome-
how many base pairs?

genes?

what percent of total genome?

what is 98.5% of total genome?
3 billion

20,000-25,000 genes

1.5% of total genome

non-coding "junk" DNA
minisatellites-
range of base pairs?

repeating units? range?

two subgroups?

related to?
10 to 100 base pairs

4 to 5/ 100 to 200

individual variations
mendelian inheritance

DNA fingerprinting
Transposons-
what? func?

what percent of human DNA?

what kind of DNA sequences?

what do they do?
jumping genes/ unknown

50% of human DNA

Parasitic DNA sequences

latch on to DNA
Applications of Human Genome-
name 5.
Genetic testing
research in diseases
new therapeutic procedures
evolution of human species
ethnic group disease vulnerab.