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How many chromatids does a duplicated chromosome have?

Mitosis and cytoplasmic division function in ________ . a. asexual reproduction of single-celled eukaryotes b. growth and tissue repair in multicelled species c. gamete formation in prokaryotes d. both a and b

________maintains the chromosome number;________ halves it. a. mitosis; meiosis b. meiosis; mitosis

Generally, a pair of homologous chromosomes ________. a. carry the same genes b. interact at meiosis c. are the same length, shape d. all of the above

A cell with two of each type of chromosome has \(a(n)\)________ chromosome number. a. diploid b. haploid c. tetraploid d. abnormal

Interphase is the part of the cell cycle when ________. a. a cell ceases to function b. a cell forms its spindle apparatus c. a cell grows and duplicates its DNA d. mitosis proceeds

After mitosis, the chromosome number of the two new cells is________ the parent cell's. a. a cell ceases to function b. a cell forms its spindle apparatus c. a cell grows and duplicates its DNA d. mitosis proceeds

Only ________ is not a stage of mitosis. a. prophase b. interphase c. metaphase d. anaphase

Meiosis and cytoplasmic division function in ________. a. asexual reproduction of single-celled eukaryotes b. growth and tissue repair c. sexual reproduction d. both a and b

Sexual reproduction always requires________. a. mitosis b. fertilization c. spore formation d. a and b