Psychology 237 Life Span
Zygote
Reproductive cell
Gamete
Monozygote
A zygote
A chromosome
A specific part of a functioning human body
Deoxyribonucleic acid
XX zygote
XY zygote
X zygote
X chromosome
Dizygotic twins
Monozygotic twins
Fraternal twins
Trizygotic twins
Generally increase
Generally decrease
Remain steady
Vary from individual to individual
Dominant
Recessive
Seriously disabling
Sex-linked
Many genes are involved
Many environmental factors are involved
Many genetic and environmental factors are involved
The characteristic is polygenic
Genotype
Deoxyribonucleic acid (DNA)
Karyotype
Phenotype
Down syndrome
Fragile X syndrome
Alzheimer's disease
Phenylketonuria
XO chromosomal pattern
XXX chromosomal pattern
YY chromosomal pattern
XXY chromosomal pattern
The recent epidemic of rubella
Vitamin A deficiency
The increasing amount of time spent by children in close study of books and papers
Mutations in the Pax6 gene
Born to older parents
Unusually aggressive
Abnormally tall by adolescence
Blind
Many genes make it more likely that the individual will inherit the trait
Several genes must be present in order for the individual to inherit the trait
The trait is multifactorial
Most people carry genes for the trait
Have Klinefelter syndrome
Carry the same recessive gene
Have XO chromosomes
Have the disease
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