Direction: Read carefully cach item. Identify the cell cycle stagedescribed in every concept. Choose the letter of your answerprovided below and write it on the line before each number.Cell cycle: Mitosis a. Interphase b. Prophase c. Prometaphased. Metaphase e. Anaphase f. Telophase1. The sister chromatids are moving apart._2. The nucleus and other organelles are no longer visible.3. A new nuclear membrane is formed around thechromosomes._4. The centrioles have reached the opposite poles of thecell.5. The threadlike genetic material is formed and found inthe nucleus._6. The chromosomes are located at the equator of the cell.7. The mitotic spindle disappears._8. The centromeres of chromosomes split.9. The mitotic spindle is formed.10. The cell actively produces protein._11. The cell elongates.12. Centrioles start to move toward the opposite poles ofthe cell._13. Cytoplasmic contents start to duplicate.14. The reverse of prophase._15. The mitotic spindles converge and connect to thekinetochore of chromosomes. Almost all cells in an organism contain two complete sets ofchromosomes. Reproductive cells contain only one set. Cellsproduced by mitosis are diploid while meiosis produceshaploid cells. Haploid and diploid are designated by thealgebraic notation n and 2n, respectively. Below is a table thatshows the haploid or diploid numbers of a variety oforganisms. Complete the table and use it to answer the givenquestions.Organism1. Amoeba2. Chimpanzee3. Earthworm4. Fern5. Hamster6. Honeybee7. Human8. Onion9-10. What are the haploid numbers for the two plants listed inn2n252418101022324616the table?11. Based on the table above, which organism's diploidnumbers are closest to that of a human?12. Explain why a diploid number is always even.13-14. Which organism's haploid and diploid numbers do youfind most surprising? Why?15. Why is it important that each organism has specific numberof chromosomes?

Note - we answer one question at a time. Mitosis is a process in which the nucleus of eukaryotic…

Answered: 1. The sister chromatids are moving…

Science

Biology

1. The sister chromatids are moving apart.

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter2: Cells And Cell Division

Section: Chapter Questions

Problem 21QP: Which of the following statements is not true in comparing mitosis and meiosis? a. Twice the number...

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Concept explainers

Genetic Evolution

Sexual reproduction produces distinct population variations. Heredity determines the traits and qualities to be passed down to the progeny. Over time, this variation within-species is also affected by the process of human evolution. The study of how genetic variation leads to evolutionary changes is known as genetic evolution. If a trait helps an organism to survive and reproduce, it is more likely to be passed down the generations. It is rare that such traits result in a completely distinct set of traits in descendants than the ancestral population; this can result in the emergence of a new species.

Question

Direction: Read carefully cach item. Identify the cell cycle stage
described in every concept. Choose the letter of your answer
provided below and write it on the line before each number.
Cell cycle: Mitosis a. Interphase b. Prophase c. Prometaphase
d. Metaphase e. Anaphase f. Telophase
1. The sister chromatids are moving apart.
_2. The nucleus and other organelles are no longer visible.
3. A new nuclear membrane is formed around the
chromosomes.
_4. The centrioles have reached the opposite poles of the
cell.
5. The threadlike genetic material is formed and found in
the nucleus.
_6. The chromosomes are located at the equator of the cell.
7. The mitotic spindle disappears.
_8. The centromeres of chromosomes split.
9. The mitotic spindle is formed.
10. The cell actively produces protein.
_11. The cell elongates.
12. Centrioles start to move toward the opposite poles of
the cell.
_13. Cytoplasmic contents start to duplicate.
14. The reverse of prophase.
_15. The mitotic spindles converge and connect to the
kinetochore of chromosomes.

Almost all cells in an organism contain two complete sets of
chromosomes. Reproductive cells contain only one set. Cells
produced by mitosis are diploid while meiosis produces
haploid cells. Haploid and diploid are designated by the
algebraic notation n and 2n, respectively. Below is a table that
shows the haploid or diploid numbers of a variety of
organisms. Complete the table and use it to answer the given
questions.
Organism
1. Amoeba
2. Chimpanzee
3. Earthworm
4. Fern
5. Hamster
6. Honeybee
7. Human
8. Onion
9-10. What are the haploid numbers for the two plants listed in
n
2n
25
24
18
1010
22
32
46
16
the table?
11. Based on the table above, which organism's diploid
numbers are closest to that of a human?
12. Explain why a diploid number is always even.
13-14. Which organism's haploid and diploid numbers do you
find most surprising? Why?
15. Why is it important that each organism has specific number
of chromosomes?

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For each statement below, select mitosis if that statement is true only for mitosis. Select meiosis if the statement is true only for meiosis. If the statement is not true for either process, select neither. If the statement is true for both processes, select both. ( Answer- mitosis meiosis neither or both) 2 rounds of division Answer- mitosismeiosisneitherboth 4 rounds of division Answer- mitosismeiosisneitherboth Genetic variation in daughter cells Answer- mitosismeiosisneitherboth Daughter cells are clones Answer- mitosismeiosisneitherboth Formation of tetrads Answermitosismeiosisneitherboth Separation of sister chromatids Answer- mitosismeiosisneitherboth Separation of homologous chromosomes Answer- mitosismeiosisneitherboth Reductional division Answer- mitosismeiosisneitherboth Change in ploidy number Answer- mitosismeiosisneitherboth Results in somatic cells Answer- mitosismeiosisneitherboth Results in gametes Answer- mitosismeiosisneitherboth
In a tabular form, differentiate mitosis and meiosis using the following criteria: Chromosome number of daughter cells Stages Synapsis Crossing over Cell type Number of cells formed Genetic consequences
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