Mitosis meiosis 2009

Welcome to Jeopardy!With today’s host, Ms. Ings

Today’s topic:

Mitosis, Meiosis, and Cell Cycle!!

Lets begin!

Name these!

Figure 8.7x1cThis phase is _________________________.

Mitosis is the formation of ____

• A) 4 daughter Cells• B) n (haploid) daughter cells• C) 2n (diploid) daughter cells• D) Sex Cells

This phase of meiosis is called __________.

If a normal body cells had 2n = 46 in G1, how many chromatids will be present in the G2 phase?

• A) 23• B) 46• C) 92• D) 108

Cancer is a disease in which some cells lose the ability to

control their…

• A) Size• B) Spindle Fibers• C) Rate of division (growth)• D) Surface area

In which phase does crossing over occur?

Cytokinesis in plants differ from animal cells due to the

formation of the _______.

• A) Cell Plate• B) Sister chromatids• C) Homologous chromosomes• D) Cell membrane

What is the name of structure A?

A normal penicillium cell in G1 has 2n = 4. How many total

chromatids are present in the G2 phase?

• A) 2• B) 4• C) 8• D) 16

Figure 8.7x1fThis phase is _________________________.

Put the phases of the cell cycle in order!

• A) G1, G2, S-phase, Division• B) G2, S-phase, G1, Division• C) G1, S-phase, G2, Cytokinesis• D) G1, S-phase, G2, Division

Name these!

Homologous Chromosomes are …

• A) Identical• B)

Paternal in men and maternal in women• C)

One chromosome from maternal, one chromosome from paternal

• D) Different sizes and contain different genes.

• Name the sex

• Disorder • (if applicable)

• A) Cancer that does not spread• B)

Cancer that spreads to other areas of the body

• C) “Kind” tumor• D) Not a true form of cancer

A malignant tumor is..

In which phase do tetrads form?

Figure 8.7x1eThis phase is _________________________.

In a cell that undergoes meiosis, how many chromosomes are

formed in one human sex cell?

• A) 4• B) 23• C) 46• D) 92

What is occuring? • A) Tetrads are forming• B) Homologous chromosomes are forming• C) Sister chromatids are forming• D) Crossing Over

What is the name of this phase?

Figure 8.19x5

This Karyotype represents ______________.

• A) 2, identical• B) 2, different• C) 4, different• D) 4, identical

Mitosis is the formation of ___ genetically ________ daughter cells.

• A) 23• B) 39• C) 78• D) 156

If a dog cell 2n = 78 in G1 phase, how many

chromosomes will be found in each sperm cell?

• A) Are in the nucleus• B) Are lined up at the equator and

attached to spindle fibers• C) Have uncoiled• D) Are condensing to make

chromosomes

The separation of chromatids does not take place until all of the

chromosomes

• a)      A dark staining found in the cytoplasm

• b)      Long threads of DNA• c)      Two identical halves of a

chromosome• d)      Composed of DNA and lipids

Chromatin is_________

• A) Random fertilization• B) Independent assortment• C) Autosomal

Chromosome formation• D) Crossing Over

All the following except __________ lead to an increase of genetic diversity.

Name this!

• A) Anaphase II• B) Telophase/Cytokinesis• C) Prophase I• D) Metaphase

Name this!

• A) Prophase of mitosis• B) Prophase I of meiosis I• C) Metaphase I of meiosis I• D) Metaphase of mitosis

Tetrads line up in the middle in which phase?

• A) Mom• B) Dad• C) Both• D) Depends on who you ask

Who determines the sex of a baby?

Figure 8.19x2

This Karyotype represents ______________.

• A) Centrioles• B) Cell divides into two nuclei• C) Homologous Chromosomes• D) Sister Chromatids

What separates during Anaphase II of meiosis?

• A) S-phase• B) G1-phase• C) Prophase• D) G2-phase

Sister Chromatids are formed in what phase?

Figure 8.7x1d

This phase is _________________________.

• A) Two cell divisions • B) Body cell reproduction • C) Reduction of chromosome

number • D) Chromosome replication

Which of the following events occurs both in meiosis and mitosis?

Name this!

• A) Mitosis• B) Meiosis• C) Prophase I• D) Gamete formation

Crossing over occurs in all the following EXCEPT:

• A) Two genetically identical cells • B) Three identical haploid polar bodies • C) Four genetically identical sperm

cells• D) Four genetically varied cells

Unlike mitosis, meiosis of a single cell results in the

formation of

All of these are found in animal cells except

• A) Centrioles• B) Cell Plate• C) Centromeres• D) Cleavage furrow

Six primary spermatocytes (sperm cells) are about to enter meiosis. How many sperm should result after

meiosis is completed?

• A) 6• B) 12• C) 18• D) 24

• A) Prophase• B) Metaphase II• C) Interphase• D) Telophase I

What is the non-dividing part of the cell cycle?

• A) 4 egg cells• B) 3 egg cells and 1 polar body• C) 4 sperm cells• D) 1 egg and 3 polar bodies

Oogenesis produces.....

• A) Neither Mitosis and Meiosis• B) Both Mitosis and Meiosis• C) Meiosis• D) Mitosis

Asexual Reproduction uses…

• A) 11• B) 22• C) 44• D) 88

If a hamster sperm cell has 22 chromosomes, his diploid number

would be