12. How many chromosomes are in a human body cell? 46 How many homologous pairs? 23 13. What are duplicated chromosomes when connected together called? Sister chromatics 14. What holds chromatids together? Centromere Cell Reproduction 15. What is asexual reproduction? 16. What is asexual reproduction in bacteria called? 17. Do some eukaryotic organisms reproduce asexually? If so, give examples. NS FC SUR fall p n cho e ref re bolles ens allons Mitosis 18. Name two things that happen in prophase. Chromosomes condense, nuclear membrane disolve 19. What are spindle fibers? What cell organelle makes spindle fibers? 20. What happens to the chromosomes during metaphase? 21. What happens to the chromosomes in anaphase? 22. Where are the chromatids in telophase? opposite poles 23. Think about it: How is cytokinesis both the same and different in plant vs. animal cells? 24. Most cells are in interphase. Identify and label as many stages of mitosis in this picture as you can: I Interphase Telophase 25. What type of cell is pictured: Plant or animal? Plant 03 Anophose Prophase 2

12. How many chromosomes are in a human body cell? 46 How many homologous pairs? 23 13. What are duplicated chromosomes when connected together called? Sister chromatics 14. What holds chromatids together? Centromere Cell Reproduction 15. What is asexual reproduction? 16. What is asexual reproduction in bacteria called? 17. Do some eukaryotic organisms reproduce asexually? If so, give examples. NS FC SUR fall p n cho e ref re bolles ens allons Mitosis 18. Name two things that happen in prophase. Chromosomes condense, nuclear membrane disolve 19. What are spindle fibers? What cell organelle makes spindle fibers? 20. What happens to the chromosomes during metaphase? 21. What happens to the chromosomes in anaphase? 22. Where are the chromatids in telophase? opposite poles 23. Think about it: How is cytokinesis both the same and different in plant vs. animal cells? 24. Most cells are in interphase. Identify and label as many stages of mitosis in this picture as you can: I Interphase Telophase 25. What type of cell is pictured: Plant or animal? Plant 03 Anophose Prophase 2

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter6: Reproduction At The Cellular Level

Section: Chapter Questions

Problem 1ACQ: Figure 6.4 Which of the following is the correct order of events in mitosis? a. Sister chromatids...

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If a muscle cell of atypical organism has 32 chromosomes, how many chromosomes will be in a gamete of that same organism? 8 16 32 64
Figure 6.4 Which of the following is the correct order of events in mitosis? a. Sister chromatids line up at the metaphase plate. The kinetochore becomes attached to the initotic spindle. The nucleus re-forms and the cell divides. The sister chromatids separate. b. The kinetochore becomes attached to the mitotic spindle. The sister chromatids separate. Sister chromatids line up at the metaphase plate. The nucleus re-forms and the cell divides. c. The kinetochore becomes attached to metaphase plate. Sister chromatids line up at the metaphase plate. The kinetochore breaks down and the sister chromatids separate. The nucleus re-forms and the cell divides. d. The kinetochore becomes attached to the mitotic spindle. Sister chromatids line up at the metaphase plate. The kinetochore breaks apart and the sister chromatids separate. The nucleus re-forms and the cell divides.
The transfer of genes by a mechanism not involving asexual reproduction is called: meiosis web of life horizontal gene transfer gene fusion
Only some cells derive from a mitosis event.. 1. Which statement is most correct regarding the difference between mitosis and meiosis? O Meiosis can produce any cell type, while mitosis can only make gametes (sperm/egg cells) * Mitosis essentially clones a cell (makes an identical copy), while meioisis is a ma O complex process that divides up a cell's set of chromosomes into gametes (sperm/egg cells) ODNA replication is required for mitosis but not for meiosis ODyads are seen in mitosis but not meiosis 2 What distinguichon hon
A somatic (body) cell is 2n 10. How many total chromosomes will it have in G2? O 20 O 10 02 Os
16. Each of the two chromatid joined together in the center by a centromere is A HAPLOID CHROMOSOME A COMPLETE CHROMOSOME A DUPLICATE CHROMOSOME O ONE-HALF OF THE REPLICATED CHROMOSOME
24) How many DNA molecules (double helices) are present in this cell on the right? What is the haploid number of this cell? Is this cell haploid or diploid? 10
What is a chromosome? How many chromosomes are in humans? 2.- What are the phases of the cell cycle? Why are important? 3.- a: What is the interphase ? b: Please explain the phases of the interphase. 4.- Why the cells are capable to maintain the homeostasis? 5.- Please name the organelles in the cell, and explain Golgi Apparatus, and Nucleolus: __________________.
Zygosity Homologous chromosomes Aneuploidy Recombination Mitosis 860 III ||| III ||| ||| Sexually reproducing organisms have two of each chromosome since one came from the mother and one came from the father. An unusual number of chromosomes. Degree of similarity of the alleles in an organism. Cell division in which the number of chromosomes remains the same in the daughter cells A process where gametes with recombined PAPER 155 A genotypes are formed due to the exchange of alleles MED PR P from homologous chromosomes in Prophase 1 of 1645 SE TO ANNE Meiosis 1 during strand breakage and repair. S CAMER takmer LALAATT DIFER INES
cell type: 9) Label the figure below. Chromosome number: cytokinesis by: division type: А- В- С- D- E- the halves the number of chromosomes, and at the same time, stage. The result is 10) daughter cells event that causes genetic diversity takes place in called (n? 2n?). An organism with two of each kind of chromosome is said to be: (3) tetraploid (1) haploid (2) diploid (4) polyploid. In multicellular organisms, mitosis results in: (1) reproduction (2) growth and repair (3) sperm and egg production (4) fertilization. If an organism produced an egg that had 20 chromosomes, the body cells of that organism should have: (1) 10 chromosomes (2) 20 chromosomes (3) 30 chromosomes (4) 40 chromosomes. 11) is what helps us grow and is why we are all unique! Human female karyotype contains .... (number) pairs autosomal and sex chromosomes. separate to go opposite poles in Anaphase in mitosis, while in Meiosis in AnaphaseI. (how many?) 12) If a diploid parent cell with 8 chromosomes (2n=8)…
ays Many simple eukaryotes reproduce by asexual reproduction, using only mitosis. Assuming the environment is stable and the organism is well- adapted to its environment, why is this a better form of reproduction? 2. Describe the similarities and differences between mitosis and meiosis. mitosis is a type of cell division used for? 17 étv MacBook Air 000 F4 F5 F6 F7 F8 F10 F9 $ %
Homologous pairs of chromosomes are together at the equator 1. anaphase 1 Independent chromosome migrate towards opposite 2. anaphase 11 poles 3. metaphase 1 Sister chromatids align at the equator. 4. metaphase 11 Homologous chromosomes move towards opposite poles