AP Bio Chapter 13 Flashcards
Terms : Hide Images [1]
6791524403 | heredity | transmission of traits from one generation to the next | 0 | |
6791525200 | variation | demonstrated by differences in appearance that offspring show from parents | 1 | |
6791527558 | genetics | study of heredity and variation | 2 | |
6791528476 | genes | units of heredity made up of segments of DNA | 3 | |
6791529808 | gamete | reproductive cell, most DNA is packaged in chromosomes | 4 | |
6791531285 | somatic cell | all cells except for gametes and their precursurs (46 chromosomes in humans) | 5 | |
6791534614 | locus | a genes specific position along a chromosome | 6 | |
6791535577 | asexual reproduction | single individual passes all of its genes to its offspring without fusion of gametes | 7 | |
6791539617 | clone | group of genetically identical individuals from the same parent | 8 | |
6791543211 | sexual reproduction | two parents give rise to offspring that have unique combinations of genes inherited from both parents | 9 | |
6791545487 | life cycle | generation-to-generation sequence of stages in reproductive history | 10 | |
6791560305 | karyotype | ordered display of the pairs of chromosomes from a cell | 11 | |
6791561063 | homologous chromosomes | homologs, pair of chromosomes of the same length, shape, centromere position, and staining pattern, carry genes for same characters, not identical | 12 | |
6791582691 | sex chromosome | determine sex of the individual, X or Y (females XX males XY) | 13 | |
6791585999 | autosomes | 22 non sex chromosome pairs | 14 | |
6791587783 | diploid cell | 2n, has two sets of chromosomes | 15 | |
6791589472 | haploid cell | n, a gamete (sperm or egg), single set of chromosomes | 16 | |
6791600875 | fertilization | the union of gamates | 17 | |
6791600876 | zygote | fertilized egg, one set of chromosomes from each parent, produce somatic cells through mitosis | 18 | |
6791603718 | meiosis | reductional division, one duplication of chromosomes, two divisions, four daughter cells, n chromosomes in each daughter cell | ![]() | 19 |
6791607446 | mitosis | equational division, one duplication of chromosomes, one division, two daughter cells, 2n chromosomes in each daughter cell | ![]() | 20 |