The cell developed through fertilization of an egg by a sperm is dubbed a/an A. Gamete.B. Sperm cell.C. Zygote.D. Egg cell.E. Ovum.
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If a sperm cell consists of 8 chromosomes, it comes from an animal that has actually ______ chromosomes. A. 4B. 8C. 12D. 16E. 24
If a cell contains 12 chromosomes at the end of meiosis I, how countless chromosomes will certainly the daughter cells contain in ~ the end of meiosis II? A. 3B. 6C. 12D. 24
During which phase of meiosis go crossing-over occur? A. Prophase ns of meiosis IB. Anaphase i of meiosis IIC. Telophase i of meiosis ID. Prophase II the meiosis IIE. Anaphase II of meiosis I
Homologous chromosomes are similar in every one of these qualities EXCEPT: A. Comparable in size.B. Lug the same alleles for every traits.C. Bring genes because that the exact same traits.D. Similar in shape and location of the centromere.
What is the prominence of crossing-over? A. It gives extra genetic material for the daughter cells.B. It boosts the likelihood the daughter cells contain different genetic material.C. That produces the proteins the are associated with DNA in chromosomes.D. It separates the homologous chromosomes.
The overall role of meiosis includes every one of the following other than A. Gamete production.B. Reduction of chromosome number (from 2N come N).C. Providing genetic variation in sexually reproducing organisms.D. Expansion of the in its entirety individual.
During which phase of meiosis room the replicated chromosomes arranged follow me the equator? A. Prophase IB. Metaphase IIC. Anaphase IID. Prophase IIE. Metaphase I
At which stage of meiosis is every chromosome written of a solitary chromatid? A. Prophase IB. Metaphase IIC. Anaphase IID. Prophase IIE. Metaphase I
During which stage of meiosis go separation the homologous chromosomes occur? A. Prophase IB. Anaphase IC. Telophase ID. Prophase IIE. Anaphase II
Which go NOT happen in meiosis? A. Two daughter cells at completionB. Four daughter cell at completionC. Two nuclear divisionsD. Development of homologous chromosome pairs
In human being females, when is meiosis II completed? A. In ~ ovulationB. Immediately after the sperm penetration that the secondary oocyteC. Instantly after the sperm penetrates the main oocyteD. No one of the options are correct.
Which is no true about daughter cells of mitosis or meiosis? A. In meiosis, daughter cells are haploid.B. In meiosis, over there are four daughter cells.C. In mitosis, there space two daughter cells.D. In mitosis, the daughter cells space genetically identical.E. In meiosis, the daughter cells room genetically identical.
Nondisjunction occurs as soon as both members the a homologous pair get in the same daughter cell during meiosis ns True False
The presence of a chromosome segment an ext than as soon as in the very same chromosome is a result of: A. DeletionB. DuplicationC. TranslocationD. Aneuploidy
Extra duplicates of sex chromosomes are more easily tolerated in human beings than extra copies of autosomes. True False
The activity of chromosome segments from one chromosome to one more nonhomologous chromosome would certainly be: A. DeletionB. DuplicationC. TranslocationD. Aneuploidy
Virtually all dedicated cells of multicell organisms A. Construct through mutation native less specialized cells the the organism.B. Contain an ext genetic product than less devoted cells the the same organism.C. Contain less hereditary material than less committed cells the the very same organism.D. Have the exact same amount of DNA and the same number of chromosomes as all other cells of the organism.
D. Have the same amount of DNA and the same variety of chromosomes together all other cells the the organism.
If a parental cell has actually 48 chromosomes, how plenty of chromosomes will each daughter cell have after mitosis and also cytokinesis occurs? A. 24 chromosomesB. 48 chromosomesC. 12 chromosomesD. 96 chromosomes
Interphase: A. Occupies the bulk of the cell cycleB. Has G1, S and also G2 stagesC. Results in rise in cell sizeD. All of the aboveE. A and B only
The role of mitosis is: A. Expansion of the organism and tissue repair.B. Come ensure the each new cell receive a complete set of genetic information.C. Asexual reproduction in part species.D. Every one of the selections are correct.
In the life bike of animals, ________ have actually the haploid number of chromosomes. A. Every body cellsB. Sperm and also egg cellsC. Muscle and also nerve cellsD. Skin and blood cells
Which statement is no true around mitosis? A. Mitosis is a process that duplicates and divides the nuclear materials only.B. Mitosis produces two daughter cells that contain the same variety of chromosomes as the parental cell.C. Mitosis produces 2 daughter cells the contain the very same kinds that chromosomes as the parent cell.D. Mitosis provides a diploid (2n) parental cell to type daughter cell containing a haploid number(n) of chromosomes.E. Mitosis is connected in advancement of a fertilized egg into a multicell organism.
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D. Mitosis offers a diploid (2n) parent cell to form daughter cells containing a haploid number(n) of chromosomes.
Which represents the correct sequence of step in the cell cycle? A. G1, G2, S, MB. G1, G2, M, SC. G1, M, G2, SD. G1, S, G2, M