The number of chromosomes present in eukaryotic cells a. is consistent during the life cycle b. is haploid among asexually reproducing forms and diploid if the reproduce sexually c. is double by fertilization and cut in half by meiosis d. is dependent on the age of the tissue
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The number of chromosomes present in eukaryotic cells
a. is consistent during the life cycle
b. is haploid among asexually reproducing forms and diploid if the reproduce sexually
c. is double by fertilization and cut in half by meiosis
d. is dependent on the age of the tissue
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- Which of the following is true of BOTH MEIOSIS AND MITOSIS? O Results in two identical diploid cells. O Involves one round of cell division. Involves one round of DNA replication. Results in four different haploid cells. Involves two rounds of DNA replication O Involves two rounds of cell division O A process required for multicellular organisms to grow bigger. O A process that results in haploid gametes.Which of the following events takes place in meiosis but not in mitosis? Breakdown of the nuclear envelop Condensation of chromosomes Separation of homologous chromosomes Separation of chromatids CytokinesisWhich of the following cells canundergo meiosis?a. the diploid body cells of an animalb. haploid gametesc. germ cells
- Which of the following cany the same genetic infor mation ? A - all autosome D- homologous chromosomes B - sister chromatids E-X and Y chro monsomes C-all haploid cellsWhich of these is paired incorrectly?a. prometaphase—the kinetochores become attached tospindle fibersb. anaphase—daughter chromosomes migrate toward spindlepolesc. prophase—the nucleolus disappears and the nuclearenvelope disintegratesd. metaphase—the chromosomes are aligned in the metaphaseplatee. telophase—a resting phase between cell division cyclesSome organisms—for example, certain fungi—reproduce asexually when the environment is favorable and sexually when the environment becomesunfavorable. What might be the evolutionary advantage of sexual reproduction with the associated process of meiosis during unfavorable conditions?
- In asexual reproduction a diploid individual would produce which of the following O diploid offspring through mitosis O diploid offspring through melosis O haploid offspring through mitosis o haploid offspring through meiosis Question 4 A snake has a diploid number of chromosomes of 48. How many chromatids would be p diploid cell at the start of mciosis? 12 96In order to sexually reproduce, multicellular organisms utilize a process called ______. The type of daughter cells produced by meiosis - sex cells are called ______. Eggs and sperm contain only one copy of each chromosome, so they are _____. A cell that undergoes meiosis produces ______ genetically unique daughter cells. Word Bank: • Mitosis • Meiosis • Gametes • Somatic Cells • Haploid • Diploid • 2 • 4All of the following make melosis different from mitosis EXCEPT O chromosome number is reduced by half in melasis. O meiosis comprises two divisions. O pairing of homologous chromosomes usually only occurs melosis. O resulting cells from meiosis are genetically different from the parent cell. O meiosis lacks a preceding S phase
- Process resulting in formation of haploid gametes is called? Group of answer choices mitosis meiosis cytokinesis anaphaseDRAW IT The diagramshows a cell in meiosis.(a) Label the appropriatestructures with theseterms: chromosome(label as duplicated orunduplicated), centromere, kinetochore,sister chromatids,nonsister chromatids,homologous pair (use abracket when labeling),homolog (label eachone), chiasma, sisterWhich one of the following is a result of fertilization Restoration of the haploid number of chromosomes O Restoration of the diploid number of chromosomes the resulting zygote has triple number of gamete (ovum or sperm) The resulting zygote has indefinite number of chromosomes