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25 Cards in this Set
- Front
- Back
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Cells
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smallest self-contained structure in the body
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DNA
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Deoxyribonucleic acid-
composed of carbon, hydrogen, oxygen, nitrogen, and phosphorus (genetic code) |
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Nucleotides
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building blocks of DNA
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Genes
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basic units of heredity
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Chromosome
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chain of genes
each person has 46 23 from mother 23 from father |
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mitosis
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process of ordinary cell division that results in two cells identical to the parent cell
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meiosis
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process of cell division that yields sperm and ova, each including one half of a full set of chromosomes
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gametes
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reproductive cells(ova and sperm) that are formed by the process of meiosis
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alleles
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pair of genes found on corresponding chromosomes that affect the same trait
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genotype
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genetic code of a person
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phenotype
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genes that are expressed in the individual, displayed characteristic or trait
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Down syndrome
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trisomy-21
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Angelman Syndrome
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mutated gene 15
affect hypothalamus |
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Cystic fibrosis
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mutated gene 7
excess mucus is produced in lungs, digestive system |
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Huntingtons disease
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gene on chromosome 4
inherited from 1 parent produces dementia, jerking movements, lopsided symptoms occur around age 35 |
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PKU
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defective gene on chromosome 12
protein disorder |
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Prader-Willi syndrome
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recessive disorder
mutated gene on chromosome 15 only if they are mothers |
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Sickle Cell anemia
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1 in 12 blacks carrie trait
1 in 500 it occurs gene on chromosome 11 mutated beta globin cells break easily and are sticky tx-blood transfusion |
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Tay-Sachs disease
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chromosome 15 fails t produce enzyme hexosaminidase A
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Positive reinforcement
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Cookie after saying please
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Negative reinforcement
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avoid as a result of a past experience
avoiding phobias |
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Positive punishment
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unpleasant stimulus follows a response.
child misbehaves-scolded |
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Negative punishment
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pleasant stimulus removed as a result of a behavior
time out tv taken away |
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self-concept
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beliefs and feelings about oneself
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self-efficacy
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believes what you are capable of doingin a situation
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