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OCCC BIO 1314 Anatomy & Physiology I- Units 5 & 6 questions with answers
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OCCC BIO 1314 Anatomy & Physiology I- Units 5 & 6 questions with answers
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OCCC BIO 1314 Anatomy & PhysiologyI- Units 5 & 6 questions with answers
meiosis - ANSWER: ➡ the cell division process by which gametes are produced
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genetics - ANSWER: ➡ the study of heredity
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heredity - ANSWER: ➡ the passing of traits from one generation to the next
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trait - ANSWER: ➡ a physical or physiological characteristic coded for by a gene
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gene - ANSWER: ➡ a portion of a chromosome that codes for a particular protein
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allele - ANSWER: ➡ a form of a gene
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dominant allele - ANSWER: ➡ an allele that masks the effects of the other
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recessive allele - ANSWER: ➡ an allele that can be masked by a dominant allele
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locus - ANSWER: ➡ the position of a gene on a chromosome
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incomplete dominance - ANSWER: ➡ some effects of the recessive trait bleed through
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homologous chromosomes - ANSWER: ➡ a pair of chromosomes, one each from the male and female
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parent, that have identical structure and gene locations
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genotype - ANSWER: ➡ the set of genes an organism has (both are dominant or recessive)
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, homozygous - ANSWER: ➡ alleles that are the same type
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heterozygous - ANSWER: ➡ alleles that are different (i.e. one is dominant, one is recessive)
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phenotype - ANSWER: ➡ the expression of the genotype
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purebred - ANSWER: ➡ having a homozygous genotype
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hybrid - ANSWER: ➡ having a heterozygous genotype
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codominance - ANSWER: ➡ the two alleles at a locus are equally expressed
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karyotype - ANSWER: ➡ a chart of the chromosomes of an organism, arranged in order by size and
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structure
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punnett square - ANSWER: ➡ reveals possibilites and probabilities of a phenotype, but not absolutes
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autosome - ANSWER: ➡ all chromosomes except for the sex chromosomes (i.e. first 22
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chromosomes)
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sex chromosomes - ANSWER: ➡ chromosomes that determine sex
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sex linked traits - ANSWER: ➡ traits controlled by genes on the sex chromosome
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sex influenced trait - ANSWER: ➡ trait related to the sex of the individual (i.e. belly fat in male vs. fat
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in rear on female)
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mutation - ANSWER: ➡ any change in the DNA of an organism
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