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• nonsexual; 46 chromosomes (23 from each parent); diploid (2 chromosome sets per cell)
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•sexual cells; sperm/eggs; haploid (1 chromosome set per cell)
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| Any of the 22 pairs of chromosomes which do not determine gender |
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•X and Y; determine gender of offspring
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•the transmission of traits from one generation to the next
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•scientific study of heredity and hereditary variation
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•hereditary units; specific DNA sequence
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–gene’s chromosomal location
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•reproductive cells; produced by parental units
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•one parent, offspring genetically identical (i.e. a clone)
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•two parents, offspring genetically different from both; genetic variation
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•ordered display of all 46 chromosomes in pairs/by type (i.e. homologous chromosomes/homologs)
–Length, staining pattern, position of centromere
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–Diploid cell
–Fertilization of gametes
–2n = 46
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–Form gametes
–Located in gonads
–Formed by meiosis
–n = 23
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•Cell division which reduces the number of chromosome sets
–From diploid to haploid
–Allows for diploid organism post-fertilization
–Preceded by chromosome replication
•Animals, plants, fungi
•Two divisions = 4 daughter cells
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