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unit 4 review

QuestionAnswer
one complete set of chromosomes haploid
complex of proteins to which the microtubules of the spindle attach kinetochore
a bead like structure composed of DNA wrapped around proteins nucleosome
the region on a chromosome with attachments for spindle microtubules centromere
two complete sets of chromosomes diploid
a DNA molecule coiled and looped to become visible under a microscope chromosome
the two sides of a duplicated chromosome sister chromatids
matching chromosomes, usually one from each parent homologous
single circular piece of DNA prokaryotic DNA
comprised of five types of proteins that are used to coil DNA tightly histones
sexual or asexual? brings together new combinations of alleles in the offspring sexual
sexual or asexual? involves only one parent asexual
sexual or asexual? involves two parents sexual
sexual or asexual? produces clones asexual
sexual or asexual? involves the formation of gametes and fertilization sexual
sexual or asexual? offspring are genetically identical to parent asexual
sexual or asexual? produces variations in traits in offspring sexual
sexual or asexual? not done by prokaryotic cells sexual
Name stages of cell cycle in order interphase (G1, S, G2), M phase (mitosis: (prophase, metaphase, anaphase, telophase), cytokinesis)
Period after duplication of DNA during which the cell prepares for division g2 phase
The complete period of nuclear division that is followed by cytoplasmic division m phase
DNA duplication occurs now; a time of “synthesis” of DNA and proteins s phase
Period of cell growth before DNA duplication interphase
Usually the longest part of a cell cycle interphase
Period of cytoplasmic division cytokinesis
Period that includes G1, G2, S interphase
Sperm and egg cells are known as (gametes / diploid cells). gametes
In meiosis, chromosomes go through (one / two) divisions. two
(Diploid / Haploid) cells possess pairs of homologous chromosomes. diploid
One pair of duplicated chromosomes equals (two / four) sister chromatids. two
Tetrads form in (meiosis I / meiosis II). meiosis I
Immediately after completing meiosis I the resulting two daughter cells are ( diploid / haploid ). haploid
If each human cell contains 23 pairs of homologous chromosomes, each gamete will contain ( 23 / 46 ) chromosomes. 23
DNA is replicated during (interphase I / interphase II) of meiosis. interphase I
Two attached sister chromatids represent (one / two) chromosome(s). one
plant or animal? formation of a cell plate plant
plant or animal? formation of a cleavage furrow animal
plant or animal? cellulose is deposited to form a wall between the daughter cells plant
plant or animal? microfilaments inside the cell help to pull the cell membrane inward animal
plant or animal? as mitosis ends, vesicles converge at the spindle equator plant
plant or animal? centrioles form and organize the spindle animal
mitosis or meiosis? Involves one division cycle. mitosis
mitosis or meiosis? Functions in growth and repair. mitosis
mitosis or meiosis? Daughter cells are all haploid. meiosis
mitosis or meiosis? Involves two divisions. meiosis
mitosis or meiosis? Daughter cells receive one chromosome from each homologous pair. meiosis
mitosis or meiosis? Daughter cells receive the diploid number of chromosomes mitosis
mitosis or meiosis? Crossing over often occurs. meiosis
mitosis or meiosis? Daughter cells are identical to parent. mitosis
Created by: mortehay000
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