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Frage		Antworten
nondisjunction Lernen beginnen		results in a new cell having too many or not enough chromosomes
What is the purpose of sexual reproduction? Lernen beginnen		genetic variation
What results in genetic variation? Lernen beginnen		meiosis
what does crossing over produce? Lernen beginnen		genetic variation by producing new combination of alleles (genes)
Meiosis produces...? Lernen beginnen		4 haploid cells
Mitosis produces...? Lernen beginnen		2 diploid cells
What must occur before a cell can divide? Lernen beginnen		DNA replication
What divides the cytoplasm? Lernen beginnen		cytokinesis
What is mitosis responsible for? Lernen beginnen		growth and development
what role does the centromere play in cellular reproduction? Lernen beginnen		it is the area of attachment for chromatids
Which part of the cell cycle is when new cells are formed? Lernen beginnen		mitosis
What is the end result of asexual reproduction? Lernen beginnen		2 cells
What is the longest phase of the cell cycle? Lernen beginnen		interphase
What results when cell division happens at a high rate? Lernen beginnen		cancer
What is the correct order for cellular division Lernen beginnen		Prophase, Metaphase, Anaphase, Telophase
G1, S, and G2 phase are a part of? Lernen beginnen		interphase
Cytokinesis (def) Lernen beginnen		the last stage, the cytoplasm splits into half forming into two cells
interphase Lernen beginnen		consists of G1->S1->G2 phases
metaphase Lernen beginnen		chromosomes line up in the center of the cell and spindle fibers attach to chromosomes from centrioles
S phase Lernen beginnen		DNA and chromosomes are copied
telophase Lernen beginnen		chromosomes unravel into chromatin to provide DNA for new cell
prophase Lernen beginnen		chromosomes condense and nucleus and centrioles move to opposite poles
anaphase Lernen beginnen		chromosomes are pulled apart and sister chromatids are separated
G1 Lernen beginnen		the cell grows rapidly and replicates
G2 Lernen beginnen		replicates the rest of the organelles
cell cycle Lernen beginnen		the never-ending process by which all cells in your body replicate
haploid Lernen beginnen		half the number of chromosomes
diploid Lernen beginnen		the full set of chromosomes
gamete Lernen beginnen		reproductive cells
zygote Lernen beginnen		a diploid, when two gametes unite together in fertilization
mitosis Lernen beginnen		how eukaryotes replicate and divide; major part of the cell cycle
meiosis Lernen beginnen		asexual reproduction, a process that reduces the number of chromosomes by half
fertilization Lernen beginnen		when two gametes unite together to form a zygote
asexual reproduction Lernen beginnen		one parent cell splits into two daughter cells that are identical to the parent cell
sexual reproduction Lernen beginnen		two parents make one or more offspring that are genetically different than the parents

Mitosis and Meiosis

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