Question 29Which of the following is not characteristic of Metaphase Il of meiosis?O Sister chronatids are aligned on the metaphase plate.O Each cell is haploid.O There are half the number of tetrads as there were in Metaphase LO Each chromosome is comprised of two sister chromatids.Question 30A drug that preventswould have a deleterious effect on the moverment of chomosomes during anaphase?O'shortening of mierotubulesO nuclear chvelop breakdown2 elongation of microtubulesO førmåtion of centrosomes

Introduction: The production of offspring by sexual reproduction includes the fusion of two gametes,…

Question 29 Which of the following is not characteristic of Metaphase II of meiosis? O Sister chrornatids are aligned on the metaphase plate. O Each cell is haploid. O There are half the number of tetrads as there were in Metaphase L O Each chromosome is comprised of two sister chromstids. Question 30 A drug that prevents would have a deleterious efféct on the movenent of chiomosomes during anaphase? O'shortening of mierotubules O nuclear chvelbp breakdowm O dongation ot microtubules O férmation of cenunsomes

Question 29 Which of the following is not characteristic of Metaphase II of meiosis? O Sister chrornatids are aligned on the metaphase plate. O Each cell is haploid. O There are half the number of tetrads as there were in Metaphase L O Each chromosome is comprised of two sister chromstids. Question 30 A drug that prevents would have a deleterious efféct on the movenent of chiomosomes during anaphase? O'shortening of mierotubules O nuclear chvelbp breakdowm O dongation ot microtubules O férmation of cenunsomes

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter8: How Cells Reproduce

Section: Chapter Questions

Problem 2.2DID

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QUESTION 34 What would be predicted to be the most common cause of chromosome translocations in Meiosis? A. Incorrect resolution of chiasmata in Meiosis II B. single point mutations during Meiosis II C. nondisjunction events resulting from incorrect resolution of chiasmata in Meiosis I D. improper cleavage of the cohesion complex
Question 4 Consider a diploid organism with a diploid number of 30. Show your work and/or explain logic on all parts. a. How many total chromatids will be present in a typical cell at mitotic metaphase? b. How many tetrads are present in a metaphase I cell of meiosis? c. How many dyads are present in a metaphase II cell in meiosis? d. How many monads are expected in each product cell at the end of meiosis II?
Question #5 Stages of MeiosisPlease help me for part a and b, thank you so much!
Question: 1 Explain why the following statements are false and reword them to be true, regarding meiosis or mitosis. 1. Sister chromatids are always identical copies of each other. 2. Each pair of sister chromatids attaches to one of the two centromeres during prometaphase. 3. A chromosome always consists of two sister chromatids.
Question 49 The scientist(s) who showed that DNA contained equal amount of certain nitrogen bases (i.e., A=T and C=G) is (are): Question 50 The cell that starts meiosis I is: haploid diploid a somatic cell a gamete Question 51 What is “silent” mutation? Question 52 Where does mitosis occur within this figure? (see letters in boxes) A B C D C and D Question 53 What form of chromosome abnormality is shown in the following Figure? Question 54 What type of mutation causes Sickle cell anemia? Question 55 The order of nucleotide bases on two sides of a DNA double-helix is Identical Similar Complemetary Nonidentical Question 56 What types of mutations are NOT passed to future generations? Question 57 What enzyme copies DNA into RNA? Question 58 Meiotic cell division replicates a cell's DNA ____________ and then divides ______________ twice; twice. once; once. None of the answer choices are correct. twice; once. once; twice. Question 59 ____ divide during meiosis I, while…
Question 2 If a certain species has a DNA content of 5 picograms in each diploid cell's nucleus when the cell in in G1 of the cell cycle, what would be the expected DNA content (in picograms) of a diploid cell (from the same species) in mitotic prophase? Explain your reasoning. Consider ploidy changes and/or chromosome form changes, if applicable, when explaining your reasoning.
Question 20 Which of the following statements regarding nondisjonction is incorrect? 1. could result in gametes with an extra chromosome 2. It occurs only in mitosis . 3. It can occur when sister chromatids do not separate as expected 4. It can occur when homologous chromosomes do not separate as expected
Question 68 Sister chromatids are best described as two chromosomes having the same genes in the same order but having different alleles. the same alleles of the same genes in a different order. different genes in the same order and possibly having different alleles of some genes. different alleles of the same genes arranged in a different order. an identical DNA sequence. Question 69 During what phase of meiosis do the homologous pairs of chromosomes line-up in the middle of the cell with the help of spindle fibers? Telophase I Anaphase I Metaphase I Prophase I Question 70 A mutation in the tumor suppressor gene p53 prevents the protein from functioning normally. What is most likely to occur as a result of this mutation? growth and replication of damaged cells apoptosis normal cells will undergo additional mutation growth of cells with repaired DNA
QUESTION 38 What occurs during metaphase phase of mitosis? A. Microtubules can be lengthened by adding subunits at the + end to move chromosomes towards the metaphase plate B. Microtubules can be shortened to move chromosomes towards the metaphase plate. C. Motor proteins pull chromosomes along the microtubules to move them towards the metaphase plate. D. All of the above E. None of the above
QUESTION 40 What is the driving force to separate the sister chromatids during Anaphase A of mitosis? A. Loss of microtubule subunits from the plus ends of the kinetochore microtubules B. Addition of microtubules at the plus ends of the chromosomal microtubules. C. Loss of microtubule subunits from both ends of the astral microtubules. D. Addition of microtubule subunits at the plus ends of the overlap microtubules.
QUESTION 39 Which of the following is a benefit of sexual reproduction? A. Offspring are genetically identical to the parents. B. Offspring differ genetically from themselves and from their parents. C. There is a possibility of mutations that lead to disease. D. All of the above.
Question 20 Which of the following is a homologous pair? two chromosomes with the same alleles in the same sequence two chromosomes with identical alleles two chromosomes with the same alleles and different genes two chromosomes with the same sequence of genes Question 21 In plants, ____ are produced by meiosis. flowers spores Gametophytes sporophytes Question 22 List the following in order from smallest to largest. nucleosome, histone, chromosome, nucleotide Question 23 What is the best reason for concluding that this cell is in anaphase II? crossing over has occurred sister chromatids are separating homologous pairs of chromosomes are present each new cell has two chromosomes Question 24 Which of the following is part of the interphase of the cell cycle? S phase mitosis cytokinesis both mitosis and cytokinesis Question 25 tRNA molecule is “bilingual” because it binds to: Question 26 What is the end result of a DNA strand with the sequence ATTCGA transcribed and translated?…