Download 03HeredityEnvironment

Phenotype
(Appearance &behavior
for a specific person)
Genotype
(Genes for a
specific person)
Genome
(Full set of
genes)
Downs syndrome
(47 Chromosomes)
DNA
(Basis of
heredity)
Makes up
Genes
X
Female
Extra
Chromosome
Genetic
counseling
Genetic
Code
XX
Female
X or Y
Male
Gamete
(sperm or ova)
Combine to make
Zygote
(Fertilized cell)
Monozygotic
(Identical - one egg splits)
Embryos do not develop
without an"X
Heredity &
Environment
Genetic
abnormalities
Missing
chromosome
X0
Beginning
of life
Assisted
Reproductive
Technology
(ART)
Most often related
to age of mother
Sex
Chromosome
Abnormalities
Three sex
Chromosomes
XXY
XYY
Chromosomes
(Genes = sections of
chromosomes)
Twins
Dizygotic
(Fraternal - 2 eggs)
In Vitro
Fertilization
(IVF)
ICSI
Dominate-Recessive
(Dominate genes = result)
Genotype
(Entire specific
set of genesHidden)
One cell
to Many
Addictive Heredity
(Genes combine
to affect behavior)
Genotype to
Phenotype
Phenotype
(Appearance &
Behavior
Epigenetic
(Genes
+Environment)
Genes + Environment =
Phenotype (Results)
XY
Male