RAT #25 - Overview of Mitosis, Meiosis, + the Cell Cycle Flashcards
What Type of Cell Division is responsible for the Repair of your Skin following a Sunburn?
(a) . Mitosis
(b) . Meiosis
(c) . Fertilization
(d) . Both Mitosis + Meiosis
(a). Mitosis
In a Cell w/ 4 Chromosomes, How many Sister Chromatids are visible during Anaphase?
(a) . 16
(b) . 8
(c) . 4
(d) . 2
(d). 2 ??
Mitosis DOES NOT produce which of the following?
(a) . Epithelial cells
(b) . Sex cells
(c) . White Blood cells
(d) . Liver cells
(b). Sex cells
IF a Cell is in G1 and has 20 Chromosomes,
How many PAIRS of Homologous Chromosomes are present?
(a) . 10
(b) . 5
(c) . 20
(d) . 80
(e) . 40
(a). 10
IF a Cell is in G2 and has 10 Chromosomes, How many PAIRS of Homologous Pairs of Chromosomes are present?
(a) . 10
(b) . 40
(c) . 2.5
(d) . 5
(e) . 20
(d). 5
The Cell Cycle Checkpoints in G1 + G2, which are similar, detect?
(a) . Levels of p53
(b) . Damaged DNA
(c) . Chromosome Misalignment
(d) . Levels of Chk 1 / 2
(e) . Levels of Cyclin D
(b). Damaged DNA
Which of the following statements about mammalian mitosis is NOT true?
(a) . Homologous Chromosomes PAIR UP at Prophase.
(b) . Onset of Anaphase is inhibited until all Chromosomes are Aligned at the Metaphase plate.
(c) . Daughter Nuclei are genetically identical to the Parent Nucleus
(d) . During Prophase, each Chromosome has 2 Chromatids
(e) . Nuclear Envelope BREAKDOWN coincides w/ onset of Prometaphase
INCORRECT
d
The Amount of DNA in a G2 Somatic cell is?
(Assuming the Haploid Cell of this Organism is 3n)?
(a) . 6n
(b) . 12n
(c) . 9n
(d) . 1n
(e) . 3n
INCORRECT
a
{True / False}
In Meiosis I vs. Meiosis II, the Nuclear Material is ALIGNED @ the Metaphase Plate EXACTLY the SAME.
FALSE !
Explain ⎃
{True / False}
In Meiosis I + Mitosis, the Nuclear Material is ALIGNED @ the Metaphase Plate EXACTLY the SAME.
FALSE !
Explain ⎃