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After gamete formation, half of the chromosomes are destroyed. After gamete formation, either the maternal or the paternal set of chromosomes disintegrates. Before gamete formation, a special type of cell division leads to a quartering of chromosome number. Before gamete formation, a special type of cell division leads to a halving of chromosome number.
similar chromosomes that are found in different species pairs of chromosomes that are similar in size, shape, and content chromosomes that are distinctly different in size and shape chromosomes that have knobs or no knobs on their ends
a chromosome that does not separate correctly during meiosis I the largest chromosome in a set the member of a homologous pair that was inherited from the father the member of a homologous pair that was inherited from the mother
a group of four sister chromatids the "X’’ that forms when chromatids from homologous chromosomes cross over the point where homologous chromosomes synapse the group of four daughter cells produced by meiosis
outcrossing mitosis in haploid cells nondisjunction meiosis I
the new combination of maternal and paternal homologs that result when chromosomes separate at meiosis I the combination of a prominent haploid phase and a prominent diploid phase in a life cycle the combination of maternal and paternal chromatids that results when homologs cross over the new combinations of chromosome segments that result when outcrossing occurs
