Do Now Please hand in the Web Quest from yesterday into the bin. Take out the Calculating haploid and diploid numbers worksheet and put it on your desk. Grab white boards, markers, and an eraser. Sit quietly and wait for further instructions.

Welcome to Jeopardy! Mitosis, Meiosis, and Cell Cycle!! With today’s host, Ms. Pakestein Today’s topic: Mitosis, Meiosis, and Cell Cycle!! Lets begin!

Name these!

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 mitosis is called __________.

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

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?

Telophase in plants differ from animal cells due to the formation of the _______.

What is the name of structure A?

A normal penicillium cell in G1 has 2n = 4 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

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!

During Mitotic division, a parent cell having four chromosomes will produce 2 cells each containing

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.

A) Male B) Female C) Down Syndrome D) Can’t determine

A malignant tumor is.. 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

In which phase do tetrads form?

In a cell that undergoes meiosis, how many chromosomes are formed in one human sex cell?

What is occuring?

What is the name of this phase? (meiosis)

This Karyotype represents ______________. Figure 8.19x5

Which of the following occurs in Meiosis but NOT in Mitosis? Chromosomes line up a the equator of the cell Sister chromatids are pulled apart at the centromere Synapsis occurs New cells are created

Mitosis is the formation of ___ genetically ________ daughter cells.

If a dog cell 2n = 78 in G1 phase, how many chromosomes will be found in each sperm cell?

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

Chromatin is_________ 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

What is cellular division called in unicellular organisms like bacteria? *Write it!!

All the following except __________ lead to an increase of genetic diversity. A) Random fertilization B) Independent assortment C) Autosomal Chromosome formation D) Crossing Over

Six primary sperm cells are about to enter meiosis Six primary sperm cells are about to enter meiosis. How many sperm should result after meiosis is completed? A) 6 B) 12 C) 18 D) 24

Name this!

Name this! A) Anaphase II B) Telophase/Cytokinesis C) Prophase I D) Metaphase

Tetrads line up in the middle in which phase?

Who determines the sex of a baby?

This Karyotype represents ______________. Figure 8.19x2

A _________ is the complete set of chromosomes of an organism, arranged and displayed in pairs and ordered by size.

Which 2 cells would be more genetically similar to each other? Two gametes produced by the same person Two somatic cells produced by the same person Two eggs produced by the same woman Two sperm produced by the same man

What separates during Anaphase II of meiosis?

Sister Chromatids are formed in what phase? A) S-phase B) G1-phase C) Prophase D) G2-phase

*Write it! If a diploid cell starts with 22 chromosomes in interphase and then undergoes meiosis, how many chromosomes will be in each of the 4 new cells?

Figure 8.7x1d This phase is _________________________.

Which of the following events occurs both in meiosis and mitosis? A) Two cell divisions B) Body cell reproduction C) Reduction of chromosome number D) Chromosome replication

Name this!

Unlike mitosis, meiosis of a single cell results in the formation of A) Two genetically identical cells B) Three identical haploid polar bodies C) Four genetically identical sperm cells D) Four genetically varied cells

All of these are found in animal cells except A) Centrioles B) Cell Plate C) Centromeres D) Cleavage furrow

What is the non-dividing part of the cell cycle? A) Prophase B) Metaphase II C) Interphase D) Telophase I

Asexual Reproduction uses… A) Neither Mitosis and Meiosis B) Both Mitosis and Meiosis C) Meiosis D) Mitosis

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

Double Jeopardy What is the name of the processes that make sperm and egg cells?