Mitosis + Meiosis Flashcards
Nucleoli are present during _____.
Metaphase
Anaphase
Interphase
Prometaphase
Prophase
Interphase
Cytokinesis often, but not always, accompanies ______.
Telophase
Prometaphase
Metaphase
Interphase
Anaphase
Telophase
Chromosomes become visible during ______.
Interphase
Anaphase
Metaphase
Prophase
Prometaphase
Prophase
Centromeres DIVIDE + Sister Chromatids become full-fledged Chromosomes during ______.
Interphase
Telophase
Metaphase
Prometaphase
Anaphase
Anaphase ?
Spindle Fibers ATTACH to Kinetochores during ____.
Prometaphase
During Prophase, a Homologous Pair of Chromosomes consists of _____.
2 Chromosomes + 2 Chromatids
Which Event DOES NOT take place before the Start of Mitosis?
(a) . The Nuclear Envelope disintegrates
(b) . DNA is Replicated
(c) . Organelles proliferate
(d) . Parent cell grows
(a). The Nuclear Envelope (does not) disintegrates
Which term describes 2 recently Replicated DNA strands that are JOINED together just BEFORE Cell Division?
(a) . Centromere
(b) . Sister Chromatids
(c) . Centriole
(d) . Centrosome
(b). Sister Chromatids
During which Stage of Mitosis are Chromosomes LINED UP in the Center of the Cell?
Metaphase
Which Stage of Mitosis is Characterized by the DISINTEGRATION of Mitotic Spindles + the FORMATION of 2 new Nuclear Membranes?
Telophase
To which part of the Centromere do Mitotic Spindle Fibers ATTACH during Prometaphase?
Kinetochore
What is the Ploidy of Organisms that have 2 SETS of Chromosomes?
2n
What Information CAN NOT be Obtained from an individual’s Karyotype?
(a) . The Ploidy of the Individual.
(b) . The Sequence of Bases of a Particular Gene.
(c) . The # of Autosomes in the Individual
(d) . The Types of Chromosomes present in the Individual.
(b). The Sequence of Bases of a Particular Gene.
IF a Cell has 24 Chromosomes, how many Chromosomes would each of its 4 Daughter Cells have AFTER Meiosis
(a) . 12
(b) . 36
(c) . 6
(d) . 24
(a). 12
Which of the following statements about Meiosis + Mitosis is TRUE?
(a) . In Mitosis + Meiosis I, Homologous Chromosomes move independently of each other.
(b) . In Meiosis II + Mitosis, a Diploid cell divides.
(c) . Each Daughter Cell produced during Meiosis + Mitosis is Genetically Identical to the Parent cell.
(d) . Meiosis II is similar to Mitosis in that Sister Chromatids of each Chromosome separate.
(d). Meiosis II is similar to Mitosis in that Sister Chromatids of each Chromosome separate.
(a). Chiasma (b). Synapsis (c). Centromere (d). Tetrad
(a). Chiasma
(a) . 4 different Chromosomes
(b) . 2 pairs of Homologous Chromosomes
(c) . 2 Sister Chromatids
(d) . 1 pair of Homologous Chromosomes
(d). 1 pair of Homologous Chromosomes
Which of the following is a Function of the S phase in the Cell Cycle?
(a) . Synchronization of Organelle Division
(b) . Synthesis of Sister Chromatids
(c) . Separation of Sister Chromatids
(d) . Sorting of Chromosomes.
(b). Synthesis of Sister Chromatids
The COPYING of Chromosomes occurs during which of the following Phases of the Cell Cycle?
(a) . M
(b) . G2
(c) . G1
(d) . S
(d). S phase
For the 1st several Divisions of Early Frog Embryos, Cells Proceed directly from the M phase to the S phase + Back to M phase w/out gaps. Which of the following is likely to be True about Dividing Cells in Early Frog Embryos
(a) . the Cells get SMALLER w/ EACH Generation.
(b) . the # of Chromosomes ⬇︎ w/ EACH Generation
(c) . the Cells DO NOT Divide by Mitosis.
(d) . Frog Embryos DO NOT have DNA.
(a). the Cells get SMALLER w/ EACH Generation.
Which of the following Events would CAUSE the Cell Cycle to ARREST?
(a) . Complete Chromosome Replication
(b) . Synthesis of Cyclins by Growth Factors + Activation of a Cyclin–Cdk complex
(c) . Poor Nutrient Conditions
(d) . Chromosomes LINED UP along the Metaphase Plate.
(c). Poor Nutrient Conditions
IF an Organism normally has 34 Chromosomes, how many Molecules of DNA should there be in the G1 phase of the Cell Cycle?
(a) . 68
(b) . 136
(c) . 17
(d) . 34
(d). 34
