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Science Chapter 4

QuestionAnswer
Which is an advantage of sexual reproduction? Offspring with genetic variation are produced
Which describes cells that have only one copy of each chromosome? Haploid
Which phase of meiosis I is shown in the diagram? Prophase I
Which phase of meiosis I comes after the prophase I? Metaphase I
Tissue culture is an example of which type of reproduction? Cloning
Which type of asexual reproduction is shown in the figure below? Budding
A bacterium can reproduce by which method? Fission
Which statement best describes which genetic variation is beneficial to populations of organisms? Species can better survive environmental changes
In which phase of meiosis II do sister chromatids line up along the center of the cell? Metaphase II
Describe Haploid cells
Haploid A cell that contains a single set of chromosomes
Describe a diploid cell A cell that contains two copies of each chromosome
Define cloning Produces identical individuals from a cell or cluster of cells taken from a multicellular organism
Define budding A new organism grows by mitosis and cell division on the body of its parent.
During MITOSIS the original cell produces two daughter cells. How many daughter cells will be produced if 250 mouse cells undergo MITOSIS? 2 X 250 = 500 daughter cells
During MEIOSIS the original reproductive cell produces four daughter cells. How many daughter cells will be produced if 250 mouse reproductive cells undergo MEIOSIS? 4 X 250 = 1000 daughter cells
Two reproductive cells undergo MEIOSIS. Each daughter cell also undergoes MEIOSIS. How many cells are produced when the daughter cells divide? Cell 1 = D1 D2 D3 D4 4 + 4 + 4 + 4 = 24 daughter cells
What stage of MEIOSIS does the drawing illustrate? Anaphase II
Which stage of meiosis takes place before anaphase II? Metaphase II
What type of asexual reproduction includes stolons? Vegetative reproduction
How many divisions of nucleus in a MEIOSIS and MITOSIS cell? MEIOSIS = 2 MITOSIS = 1
How many daughter cells are produced in MEIOSIS and MITOSIS cells? MEIOSIS = 4 MITOSIS = 2
Which results in genetic variation? Sexual reproduction
What is NOT true about homologous chromosomes? They are identical
If 12 reproductive cells undergo MEIOSIS, how many daughter cells will result? 4 X 12 = 48 daughter cells
Which is NOT true about sexual reproduction? Offspring have no genetic variation
Created by: milesbarber
 

 



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