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21 Cards in this Set
- Front
- Back
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All the genetic information in a chromosome set is called
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The genome
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Describe the structure of a genome in Prokaryotes
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A single circular chromosome
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What constitutes multiple linear chromosomes
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The genome of a Eukaryote
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Binary Fusion
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Cell division in Prokaryotes
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One SET of chromosomes
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Haploid
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Two SETS of chromosomes
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Diploid
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Does Mitosis begin with a haploid or a diploid cell
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Both - but the end result is two genetically identical cells
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What type of cells does mitosis occur
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Somatic Cells
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What are somatic cells
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All cells in the body except for reproductive cells
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What percentage of the cell cycle does mitosis occur
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10 percent of the entire cell cycle
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What stage of the cell cycle is
Growth Replication Preparation |
Interphase
G1 S1 G2 |
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What stage of interphase does DNA synthesis occur
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Interphase
In S Phase during replication |
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Where is chromatin found
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Nucleus
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Briefly describe the process for chromatin?
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DNA is associated with proteins forming chromatin
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Before _________ each chromosome must be ________ . Then each chromosome is is made of two sister chromatids
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Before division each chromosome must be replicated. Then each chromosome is made up of two ___________ ___________
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The centomere is a region of a chromosome where ....?
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The spindle fibers attach and two identical sister chromatids are held together
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Sister chromatids are called chromosomes diuring which stages of the cell cycle?
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During anaphase of mitosis (segregation)
During anaphase (ll) Meosis (Independent assortment) Hint: What occurs |
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How many chromesomes for each centomere?
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There are an equal number of centomeres as there are ______________
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During interphase, describe a chromosome --
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In __________, Chromosomes unwind and cannot be distinquished from one another and the nuclear envelope is INTACT
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In what stage does the nucleoli disappear?
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In prophase the ___________ disappears and nuclear envelope breaks down,
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Chromosomes condense and become short and thick during ___________?
Hint: ***CENTROSOMES** move to opposite ends of a cell. |
In **PROPHASE** chromosomes condense while ____________ move to opposite ends of a cell
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