Essential Cell Bio Chapter 19 Study Guide Exam Questions and Answers

A Germ cell contains - ANSWER-sperm and egg Germ cells are - ANSWER-diploid the gametes are - ANSWER-haploid (egg or sperm) germ cells (egg and sperm) combine to form? - ANSWER-zygote The zygote is haploid or diploid? - ANSWER-diploid materal and paternal homologs contain - ANSWER-same set of genes which chromosomes are different in maternal and paternal - ANSWER-the sex chromosomes Do somatic cells pass to next generation? - ANSWER-No Do germ cells pass to next generation? - ANSWER-yes Do somatic cells have progeny? - ANSWER-No. they form only the body of the organism What does haploid carry - ANSWER-carry one set of chromosomes what does diploid carry - ANSWER-carry 2 set of chromosomes Meiosis involves__ round of DNA replication followed by __ rounds o cell division - ANSWER-1, 2 what if DNA replication (s phase) were ommited completely - ANSWER-single round of cell division could produce 2 haploid cells directly meiosis begins with (diploid or haploid) germ cells - ANSWER-diploid (2n) Meiosis: After germ cells go through chromosome replication, the cells is now 1n, 2n, 4n? - ANSWER-4n After chromosome replication, the cell divides 2ce which leads to 4 ___ cells - ANSWER-4 haploid (n) cells The end of mieosis produces what? - ANSWER-4 nonidentical haploid cells