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46 Cards in this Set
- Front
- Back
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Genes in our cells are segments of
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DNA
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genetic code directs the synthesis of different kinds of?
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proteins
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sperm and ovum are?
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gametes
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every normal human body cell contains how many chromosomes?
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23 pairs
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how many different chromosomal ovum and sperm can one person produce?
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8 million
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an abnormal variation of a particular gene is a?
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allele
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the father determines what?
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if its a boy or girl
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two ovum fertilized by two sperm at the same time are?
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dizygotic
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what reason is most important that dizygotic are different than monozygotic
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dizygotic are by two different sperm
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if you have quadruplets of 2 boys and 2 girls, how many eggs are fertilized?
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two eggs
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a trait that is affected by many genes rather than a single gene
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polygenic
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the main difference between genotype and phenotype is?
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the way the traits are expressed
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non additive
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dominant recessive pattern
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a gene that has several alleles each of which contribute to the final phenotype (height, hair, curliness, skin color)
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additive
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why is color blindness more prone to men?
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it is an x linked trait
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Alzheimer's is determined by?
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genetics and environment (nature vs. nurture)
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low birth weight is?
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less than 5.5 lbs
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very low birth weight?
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> 3lbs
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extremely low birth weight?
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> 2lbs
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a prenatal test that allows your doctor to gather information about babies health from a sample of your amniotic fluid
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amniocentesis
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full set of genes that are instructions to make an individual member of a certain species
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genome
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reproductive cell (sperm or ovum)
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gamete
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cell formed from the fusing of the sperm and ovum
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zygote
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what chromosome determines sex of baby?
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23rd
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international effort to map the complete human genetic code
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Human Genome Project
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idea that a small action or event may set off a series of changes that result in a big event
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butterfly effect
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a process of contunual change within a person or group, each change is connected systematically to every other development in each individual and every society
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dynamic system
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large changes seemingly have no effect
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power of continuity
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development takes place within many cultural settings worldwide and thus reflects a multitude of values, tradition, and tools for life
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multicultural
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SES socioeconomic status
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family income, education level, residence, occupation
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a lack of oxygen that if prolonged during birth can cause bran damage or death
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anoxia
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what are the 5 stages of the psychoanalytical?
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oral, anal, phallic, sexual latency, genital
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what did harlow's monkey study show?
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the touch is the most important thing in bonding
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what are mini theories?
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specific are of developments
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looks at the interaction between genes and environments
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epigenetic theory
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fraternal twins, from 2 different sperm
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dizygotic
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what are the x linked traits?
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colorblind, allergies, learning disabilities
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extra chromosome on the 21st chromosome, facial features are different (2 names)
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Down Syndrome, trisomy - 21
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a boy with XXY Pattern, penis doesnt grow, and fat develops around breast, slow in elem. school gets worses at 12
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Klinefelter Syndrome
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nervous system disorder, fatal, shows up in middle adulthood
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Huntington's Disease
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Uncontrollable tics and verbal outburst
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Tourettes
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Most common form of inherited mental retardation
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Fragile X syndrome
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You should get genetic counseling if:
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people with children, siblings or parents have a genetic disorder, history of miscarriage, people from the same ethnic group, women over 35
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2 or more teratogens happening at once
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interaction effect
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VLBW
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> 3lbs
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What are the factors on the APGAR scale?
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Heart Rate, breathing, muscle tone, color, reflexes
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