Biology: The Unity and Diversity of Life
15th Edition
ISBN: 9780357093795
Author: STARR
Publisher: CENGAGE LEARNING (CUSTOM)
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Textbook Question
Chapter 12, Problem 14SQ
Match each term with the best description.
_______ | a. basis of variation in traits | |
_______ | metaphase I | b. useful for varied offspring |
_______ | alleles | c. none between meiosis I meiosis II |
_______ | prophase I | d. similar to mitosis |
_______ | zygotes | e. haploid |
_______ | gametes | f. form at fertilization |
_______ | males | g. mash-up time |
_______ | meiosis II | h. chromosome lineup |
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When does DNA replication take place regarding meiosis? DNA replication___ (select one)
A. Occurs between meiosis I and meiosis II
B. occurs during Prophase I
C. occurs before meiosis I begins
D. does not take place in cells best into undergo meiosis
Match the chromosome terms appropriately. ___ polyploid a. symptoms of a genetic ___ deletion disorder ___ aneuploidy b. chromosomal mashup ___ translocation c. extra sets of chromosomes ___ syndrome d. gets around ___ transposable e. chromosome loses a chunk element of DNA f. one extra chromosome
Homologous chromosomes move towards opposite poles of a dividing cell during
Select one:
O a. meiosis II
Ob.
meiosis I
Oc. mitosis
C.
Od. fertilisation
O e. binary fission
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Chapter 12 Solutions
Biology: The Unity and Diversity of Life
Ch. 12 - BPA and Abnormal Meiosis In 1998, researchers at...Ch. 12 - BPA and Abnormal Meiosis In 1998, researchers at...Ch. 12 - BPA and Abnormal Meiosis In 1998, researchers at...Ch. 12 - One evolutionary advantage of sexual over asexual...Ch. 12 - Prob. 2SQCh. 12 - Prob. 3SQCh. 12 - Prob. 4SQCh. 12 - Meiosis ______ the parental chromosome number. a....Ch. 12 - Dogs have a diploid chromosome number or 78. How...Ch. 12 - The cell in the diagram to the right is in...
Ch. 12 - Which of the following cells can undergo meiosis?...Ch. 12 - Prob. 9SQCh. 12 - Crossing over mixes up ______. a. chromosomes b....Ch. 12 - Crossing over happens during which phase of...Ch. 12 - Prob. 12SQCh. 12 - Which of the following is one of the very...Ch. 12 - Match each term with the best description. _______...Ch. 12 - Prob. 15SQCh. 12 - The diploid chromosome number for the body cells...Ch. 12 - In your own words, describe how genetic diversity...Ch. 12 - Make a simple sketch of meiosis in a cell with a...Ch. 12 - Asexually reproducing animal populations are rare,...Ch. 12 - Figure 12-7 shows how meiosis in a cell with three...
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- Choose the best matching phrase in the right columnfor each of the terms in the left column.a. meiosis 1. X and Yb. gametes 2. chromosomes that do not differbetween the sexesc. karyotype 3. one of the two identical halvesof a replicated chromosomed. mitosis 4. microtubule organizing centersat the spindle polese. interphase 5. cells in the testes that undergomeiosisf. syncytium 6. division of the cytoplasmg. synapsis 7. haploid germ cells that uniteat fertilizationh. sex chromosomes 8. an animal cell containing morethan one nucleusi. cytokinesis 9. pairing of homologouschromosomesj. anaphase 10. one diploid cell gives rise to twodiploid cellsk. chromatid 11. the array of chromosomes in agiven celll. autosomes 12. the part of the cell cycle duringwhich the chromosomes are notvisiblem. centromere 13. one diploid cell gives rise to fourhaploid cellsn. centrosomes 14. cell produced by meiosis thatdoes not become a gameteo. polar body 15. the time during mitosis whensister chromatids…arrow_forward9. If a skin cell has 8 chromosomes a. How many will it have after S phase of Interphase b. How many will it have during Anaphase l С. How many will it have after prophase II d. How many will it have after telophase II/ cytokinesis Meiosis Post Lab V2a.Docx Page 2 Revised 11/3/2019arrow_forward1. Genetic consequence of mitosis A. n to n B. 2n to 2n C. 2n to n 2. Genetic consequence of Meiosis II A. 2n to 2n B. n to n C. 2n to narrow_forward
- 4. Interpret the following images (hint: first describe each as _n=________chromosomes.) A B a. Indicate which diagram shows the following: C one daughter nucleus after telophase of mitosis? one daughter nucleus after telophase of meiosis I? one daughter nucleus after telophase of meiosis II? one nucleus during prophase of mitosis? 88 P b. Which of these diagrams does not fit with the others? D n= n= n= _n= E _1_x Indicate how much DNA is in each compared to its respective gamete which has 1x amount of DNA. In what way is it different? Xarrow_forwardGENETICS Multiple choicearrow_forwardIn intervals of interphase, G stands for ________ a. gap c. Gey b. growth d. genearrow_forward
- The part of meiosis that is similar to mitosis is_______. a. meiosis I b. anaphase I c. meiosis II d. interkinesisarrow_forwardThe image represents a cell in of Meiosis. O anaphase II metaphase I O prophase II prophase Iarrow_forward1. Genes in different chromosomes ______ during meiosis. Genes that are very close together in the same chromosome are ______. a. do not assort independently; linked b. do not assort independently; unrelated c. assort independently; linked d. assort independently; unrelated 2. Suppose that codons consisted of 4 nucleotides instead of 3 and that there were only 2 different bases. How many amino acids could be encoded by this variant of the genetic code?arrow_forward
- Which of the following terms describes the process of homologous chromosomes failing to separate correctly during meiosis?A. Chromatid adhesion syndromeB. NondisjunctionC. AmetaphasiaD. Anti-anaphasearrow_forwardiv. Two nuclei cells in Stage X will be fertilized by two male gametes. State how the two male gametes are developed. v. Predict what will happen if double fertilization is not successful in Stage X.arrow_forward1. Gene ? A. Epistasis B. Height C. Red Petal D. Flower Color E. Lethal Factor 2. Sex chromosome syndrome A. Swyer’s syndrome B. Down’s syndrome C. Lethal Factor D. Rh Negative Blood E. Epistasis 3. Chromosomal aberration A. Swyer’s syndrome B. Down’s syndrome C. Lethal Factor D. Rh Negative Blood Epistasisarrow_forward
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