1- Somatic cells are diploid (2n). True False 2- All of the DNA (genetic material) that an organism possesses is known as their: gene chromatid chromosome genome 3- All of the cell of the body (except sex cells) are known as _______________ or "body" cells. 4- The human genome consists of 46 individual strands of DNA tightly packaged into structures called: chromosomes genes genomes chromatids 5- The human genome consists of: 45 individual chromosomes 46 chromosomes (23 pairs) 42 chromosomes (22 pairs) 23 individual chromosomes 6- A specific sequence of DNA that codes for a particular protein. chromosome genome gene chromatid 7- In the cell cycle, M phase is NOT considered a part of interphase. True False 8- At the end of ______________ each cell is genetically identical to the parental cell. At the end of ______________ each cell received ½ the genome of the parental cell: mitosis; budding mitosis; meiosis budding; meiosis meiosis; mitosis 9- In plant cells, a _____________________ develops at the midpoint between the two groups of chromosomes in a dividing cell, forming the wall between the two new daughter cells. kinetochore cleavage furrow centromere cell plate 10- Which term best describes how bacteria describe: binary fission meiosis mitosis diffusion
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1) Which of the following is true of the meiosis cell cycle, but NOT the mitosis cell cycle? The DNA is replicated twice. Homologous chromosomes undergo recombination. Sister chromatids separate. None of the above 2) Which of the following is true of the mitosis cell cycle, but NOT the meiosis cell cycle? The DNA is replicated once. Sister chromatids separate. Daughter cells are genetically identical to the parent cell. None of the above 3) Fill in each blank using one of the following terms: diploid, haploid, egg, sperm, meiosis I, meiosis II PLEASE NOTE: Each answer choice must be used exactly ONCE. Answers are not case sensitive, but they must be typed in exactly as written above. Roman numerals after the words meiosis must be the letter i. Segregation of homologous chromosomes occurs during---------------- , while separation of sister chromatids occurs during----------------- . Primary oocytes and primary spermatocytes are------------------------- cells. Meiosis produces four ------------------------ cells or one ------------------------ cell. The cells that result from meiosis are -------------------------- cells. 4) True or false: The X and Y chromosome recombine with each other during meiosis of sperm precursors. True False
Kerissa B.
QUESTION 1: All of the following are objectives of meiosis: a. to increase the chromosome number in the offspring b. to make identical copies of the offspring c. to reduce the chromosome number in the offspring d. to produce non-identical copies of the offspring e. both c and d are correct (3 points) QUESTION 2: In the typical somatic cell, the number of chromosomes is symbolized as: a. 1n b. 2n c. 3n d. 4n e. 5n (3 points) QUESTION 3: Which of the following are incorrectly stated? a. at the end of meiosis, two diploid daughter cells are produced b. at the end of mitosis, four haploid daughter cells are formed c. mitosis occurs during the production of gametes in ovaries and testes d. meiosis is completed after one cell division e. all of the above answers are incorrect (3 points) QUESTION 4: Both body cells and gamete cells participate in meiosis. a. true b. false (2 points) QUESTION 5: All are phases of mitosis except: a. metaphase b. anaphase c. telophase d. a, b, and c are correct e. homologous chromosomes (3 points) QUESTION 6: Which example below does not represent an example of mitosis? a. sperm and egg cell during fertilization b. grafting an apple tree with a pear tree c. T-cells dividing d. regeneration of a planaria e. repairs to tissue damage
Anand J.
Which of the following is true for both meiosis and mitosis? All daughter cells produced are genetically identical to the parent cell. Crossing over occurs, increasing genetic variation. All daughter cells produced are genetically identical. The genome is duplicated before mitosis or meiosis occurs.
Bryan V.
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