2 points: Easy - Chromosomes

• Which stage of the cell cycle are these cells in? Be sure to hide the answer.

• Answer: Interphase

2 points: Easy - Chromosomes

• What are the two halves of a chromosome called?

• Chromatids

2 points: Easy - Chromosomes

• By definition, which cells have ½ the total number of chromosomes?

• Haploid

2 points: Easy - Chromosomes

• Which stage of the cell cycle is this cell in? Be sure to hide the answer.

• Answer: Metaphase

2 points: Easy - Chromosomes

• What is created during the S stage of Interphase?

• DNA (chromatin)

2 points: Easy - Chromosomes

• What is the human diploid chromosome number?

• 46

2 points: Easy - Chromosomes

• Which process produces 4 haploid cells?

• Meiosis

2 points: Easy - Chromosomes

• Which stage of the cell cycle is this cell in? Be sure to hide the answer.

• Answer: Prophase

2 points: Easy - Chromosomes

• Which parts attach and pull chromosomes during mitosis and meiosis?

• Spindle fibers

2 points: Easy - Chromosomes

• Does this karyotype show a boy or girl? Be sure to hide the answer.

• Answer: Boy

2 points: Easy - Chromosomes

• Which stage of the cell cycle is this cell in? Be sure to hide the answer.

• Answer: Telophase

2 points: Easy - Chromosomes

• What is the human haploid chromosome number?

• 23

2 points: Easy - Chromosomes

• What is the linear, string form of DNA called?

• Chromatin

2 points: Easy - Chromosomes

• Which cellular process creates somatic cells?

• Mitosis

2 points: Easy - Chromosomes

• Which stage of the cell cycle is this cell in? Be sure to hide the answer.

• Answer: Anaphase

2 points: Easy - Chromosomes

• What is this picture called? Be sure to hide the answer.

• Answer: Karyotype

3 points: Medium - Chromosomes

• If there are 20 pairs of chromosomes in a fish, how many chromosomes do skin cells contain?

• 40

3 points: Medium - Chromosomes

• Name the two separate halves of the meiosis process.

• Meiosis I and Meiosis II

3 points: Medium - Chromosomes

• Which process takes place in the testes?

• Spermatogenesis

(meiosis is too vague)

3 points: Medium - Chromosomes

• Is this a diploid or haploid karyotype? Be sure to hide the answer.

• Answer: Diploid

3 points: Medium - Chromosomes

• In order, name the stages of mitosis.

• Prophase, Metaphase, Anaphase, Telophase

(Interphase is not a stage of mitosis)

3 points: Medium - Chromosomes

• Which objects create the zygote?

• Egg and sperm

3 points: Medium - Chromosomes

• Which cells use the cell plate during cytokinesis?

• Plant cells

3 points: Medium - Chromosomes

• If there are 40 pairs of chicken chromosomes, what is the haploid chromosome number?

• 40

40 pairs means a total of 80 chromosomes. Haploid is when there are ½ the total number.

3 points: Medium - Chromosomes

• During which stage of mitosis are chromatids separated?

• Anaphase

3 points: Medium - Chromosomes

• Which cellular process replaces aging cells?

• Mitosis

3 points: Medium - Chromosomes

• Besides determining sex, what else are karyotypes used for?

• Identify chromosome defects

3 points: Medium - Chromosomes

• Put the pictures in the order from start to finish. Be sure to hide the answer. Answer = E, D, A, C, B

3 points: Medium - Chromosomes

• Name the location of a chromosome where two chromatids are connected.

• Centromere

3 points: Medium - Chromosomes

• During which stage of the cell cycle do chromosomes first appear?

• Prophase

3 points: Medium - Chromosomes

• During cytokinesis, what prevents plants cells from pinching inward similar to animal cells?

• The hard Cell wall

4 points: Hard - Chromosomes

• Which process is taking place in this picture? Be sure to hide the answer.

• Answer: Crossing over

4 points: Hard - Chromosomes

• In order, name the three stages of Interphase.

• G1, S, G2

or

• Gap 1, Synthesis, Gap2

4 points: Hard - Chromosomes

• What are the two same copies of a chromosome called?

• Homologous

4 points: Hard - Chromosomes

• Name 3 things that are happening in this picture. Be sure to hide the answer.

• Answers1) Cytokinesis (cytoplasm divides)

2) Nucleus reforms

3) Chromosomes unwind

4 points: Hard - Chromosomes

• Name 3 cells created by meiosis.

• Sperm, egg, pollen

4 points: Hard - Chromosomes

• Name 3 things that are happening in this picture. Be sure to hide the answer.

• Answers1) Nucleus dissolves

2) Chromosome forms

3) Spindle fibers created

4 points: Hard - Chromosomes

• The pairing of _____ creates a tetrad.

• Homologous chromosomes

4 points: Hard - Chromosomes

• During meiosis, which event is defined as the exchanging of genes?

• Crossing over

4 points: Hard - Chromosomes

• By definition, what divides during cytokinesis?

• Cytoplasm

4 points: Hard - Chromosomes

• What notation would be used to describe a female with Down’s syndrome?

• 47, XX, +21

or

• 47, +21, XX

4 points: Hard - Chromosomes

• Name the 3 cells that are destroyed during oogenesis.

• Polar bodies

4 points: Hard - Chromosomes

• Homologous chromosomes form tetrads during which event

• Synapsis

4 points: Hard - Chromosomes

• Which process takes place in the ovaries?

• Oogenesis

(meiosis is too vague)

4 points: Hard - Chromosomes

• Name 3 things that are happening in this picture. Be sure to hide the answer.

• Answers1) Cell enlarges

2) Organelles created

3) DNA created

4) Normal function performed

4 points: Hard - Chromosomes

• During which stage of meiosis are tetrads pulled to the cell’s equator?

• Metaphase I

(must say “one”)