1

F

G

H

J

1

A

B

C

D

1

F

G

H

J

1

Which is the correct order in which mitosis occurs?

Prophase, Anaphase, Metaphase, Telophase

Prophase, Metaphase, Anaphase, Telophase

Metaphase, Telophase, Prophase, Anaphase

Anaphase, Prophase, Metaphase, Telophase

Exit Ticket-Wait here for the rest of class. Do not complete the exit ticket until the end of class.

1

What is the main purpose of meiosis in organisms?

To produce genetically identical cells

To produce gametes with half the chromosome number

To repair damaged cells

To create energy for the cell

1

During which stage of meiosis does crossing over occur?

Prophase I

Metaphase I

Anaphase II

Telophase II

1

What is the result of crossing over during meiosis?

Identical chromatids

Reduction of chromosome number

Exchange of genetic material between homologous chromosomes

Alignment of chromosomes along the cell’s center

1

In Metaphase I, how are chromosomes arranged in the cell?

Sister chromatids align along the metaphase plate

Homologous chromosome pairs align along the metaphase plate

Chromosomes are randomly scattered in the cell

Chromatids separate into opposite poles

1

What happens to homologous chromosomes during Anaphase I?

They separate into sister chromatids

They are pulled to opposite sides of the cell

They undergo crossing over

They replicate their DNA

1

How many cells are produced at the end of meiosis, and what is their chromosome number relative to the parent cell?

Two cells with the same chromosome number

Four cells with half the chromosome number

Four cells with the same chromosome number

Two cells with half the chromosome number

1

What process during meiosis contributes to genetic variation?

Cytokinesis

DNA replication

Crossing over and independent assortment

Mitosis

1

If a parent cell has 20 chromosomes, how many chromosomes will each daughter cell have after meiosis?

10

20

40

5

1

Why is meiosis important for sexual reproduction?

It ensures each offspring has double the chromosomes of the parents

It prevents the doubling of chromosomes during fertilization

It produces identical offspring

It occurs in all body cells

1

Which of the following is a key difference between meiosis I and meiosis II?

Meiosis I separates homologous chromosomes; meiosis II separates sister chromatids

Meiosis I involves crossing over; meiosis II does not

Meiosis I produces diploid cells; meiosis II produces haploid cells

All of the above

Warmup Day 2(1/9&1/10)

1

What is the main difference between meiosis and mitosis?

Meiosis results in the production of diploid cells, while mitosis produces haploid cells.

Meiosis involves two rounds of cell division, while mitosis only involves one.

Meiosis is a process of cell division that occurs in somatic cells, while mitosis occurs in gametes.

Meiosis results in two daughter cells, while mitosis results in four.

1

During which stage of meiosis does crossing over occur, and what is the significance of this process?

Prophase I; it increases genetic variation by exchanging genetic material between homologous chromosomes.

Metaphase I; it ensures proper alignment of chromosomes before separation.

Anaphase II; it helps in the separation of sister chromatids.

Telophase II; it reduces the chromosome number by half.

1

What is the end result of meiosis in terms of chromosome number and genetic composition?

Four genetically identical diploid cells.

Two genetically identical haploid cells.

Four genetically diverse haploid cells.

Two genetically diverse diploid cells.

Warmup Day 3(1/13 &1/14)

1

What is the difference between mitosis and meiosis in terms of genetic variation?

1

What is the difference between meiosis I and meiosis II?

1

What is independent assortment, and how does it contribute to genetic variation?

Day 3(1/13 & 1/14) Exit Ticket

1

What is the purpose of Punnett Square?

Warmup Day 4 (1/15 & 1/16)

1

Perform a Punnett square and then find the probability of each predicted genotype and phenotype appearing in the F1 generation. Red is dominant over yellow.

1

What is the probability of the parents in cross above resulting in a tomato plant offspring that is homozygous?

100%

0%

25%

50%

Exit Ticket Day 4 (1/15 & 1/16)

1

If B is for a dominant beak and R is for a dominant ridges, how many will have the dominant phenotype for both?

Day 5 (1/17 & 1/21)Warm Up

Some diseases are passed from parents to offspring through their genes, these are considered genetic diseases. Some of the inherited disorders that fall into this category include Tay-sachs disease, sickle-cell anemia, hemophilia, and cystic fibrosis. A child can suffer from one of these diseases only if both parents pass on a recessive gene for the disease. Cystic Fibrosis results in the body producing abnormally thick, sticky mucus which clogs the lungs leading to recurring infections.

1

If an individual has the genotype FF will they have cystic fibrosis?

Yes

No

1

If an individual has the genotype Ff will they have cystic fibrosis?

Yes

No

1

If an individual has the genotype ff will they have cystic fibrosis?

Yes

No

Some diseases are passed from parents to offspring through their genes, these are considered genetic diseases. Some of the inherited disorders that fall into this category include Tay-sachs disease, sickle-cell anemia, hemophilia, and cystic fibrosis. A child can suffer from one of these diseases only if both parents pass on a recessive gene for the disease. Cystic Fibrosis results in the body producing abnormally thick, sticky mucus which clogs the lungs leading to recurring infections.

Evolution Warmups & Exit Ticket

Exit Ticket-Wait here for the rest of class. Do not complete the exit ticket until the end of class.

Warmup Day 2(1/9&1/10)

Warmup Day 3(1/13 &1/14)

Day 3(1/13 & 1/14) Exit Ticket

Warmup Day 4 (1/15 & 1/16)

Exit Ticket Day 4 (1/15 & 1/16)

Day 5 (1/17 & 1/21)Warm Up

Evolution Warmups & Exit Ticket

Which is the correct order in which mitosis occurs?

Exit Ticket-Wait here for the rest of class. Do not complete the exit ticket until the end of class.

What is the main purpose of meiosis in organisms?

What is the main purpose of meiosis in organisms?

During which stage of meiosis does crossing over occur?

What is the result of crossing over during meiosis?

What is the result of crossing over during meiosis?

In Metaphase I, how are chromosomes arranged in the cell?

In Metaphase I, how are chromosomes arranged in the cell?

What happens to homologous chromosomes during Anaphase I?

What happens to homologous chromosomes during Anaphase I?

How many cells are produced at the end of meiosis, and what is their chromosome number relative to the parent cell?

How many cells are produced at the end of meiosis, and what is their chromosome number relative to the parent cell?

What process during meiosis contributes to genetic variation?

What process during meiosis contributes to genetic variation?

If a parent cell has 20 chromosomes, how many chromosomes will each daughter cell have after meiosis?

If a parent cell has 20 chromosomes, how many chromosomes will each daughter cell have after meiosis?

Why is meiosis important for sexual reproduction?

Why is meiosis important for sexual reproduction?

Which of the following is a key difference between meiosis I and meiosis II?

Which of the following is a key difference between meiosis I and meiosis II?

Warmup Day 2(1/9&1/10)

What is the main difference between meiosis and mitosis?

During which stage of meiosis does crossing over occur, and what is the significance of this process?

What is the end result of meiosis in terms of chromosome number and genetic composition?

Warmup Day 3(1/13 &1/14)

What is the difference between mitosis and meiosis in terms of genetic variation?

What is the difference between meiosis I and meiosis II?

What is independent assortment, and how does it contribute to genetic variation?

Day 3(1/13 & 1/14) Exit Ticket

What is the purpose of Punnett Square?

Warmup Day 4 (1/15 & 1/16)

Perform a Punnett square and then find the probability of each predicted genotype and phenotype appearing in the F1 generation. Red is dominant over yellow.

What is the probability of the parents in cross above resulting in a tomato plant offspring that is homozygous?

Exit Ticket Day 4 (1/15 & 1/16)

If B is for a dominant beak and R is for a dominant ridges, how many will have the dominant phenotype for both?

Day 5 (1/17 & 1/21)Warm Up

If an individual has the genotype FF will they have cystic fibrosis?

If an individual has the genotype Ff will they have cystic fibrosis?

If an individual has the genotype ff will they have cystic fibrosis?

Which is the correct order in which mitosis occurs?

What is the main purpose of meiosis in organisms?

What is the main purpose of meiosis in organisms?

During which stage of meiosis does crossing over occur?

What is the result of crossing over during meiosis?

What is the result of crossing over during meiosis?

In Metaphase I, how are chromosomes arranged in the cell?

In Metaphase I, how are chromosomes arranged in the cell?

What happens to homologous chromosomes during Anaphase I?

What happens to homologous chromosomes during Anaphase I?

How many cells are produced at the end of meiosis, and what is their chromosome number relative to the parent cell?

How many cells are produced at the end of meiosis, and what is their chromosome number relative to the parent cell?

What process during meiosis contributes to genetic variation?

What process during meiosis contributes to genetic variation?

If a parent cell has 20 chromosomes, how many chromosomes will each daughter cell have after meiosis?

If a parent cell has 20 chromosomes, how many chromosomes will each daughter cell have after meiosis?

Why is meiosis important for sexual reproduction?

Why is meiosis important for sexual reproduction?

Which of the following is a key difference between meiosis I and meiosis II?

Which of the following is a key difference between meiosis I and meiosis II?

What is the main difference between meiosis and mitosis?

During which stage of meiosis does crossing over occur, and what is the significance of this process?

What is the end result of meiosis in terms of chromosome number and genetic composition?

What is the difference between mitosis and meiosis in terms of genetic variation?

What is the difference between meiosis I and meiosis II?

What is independent assortment, and how does it contribute to genetic variation?

What is the purpose of Punnett Square?

Perform a Punnett square and then find the probability of each predicted genotype and phenotype appearing in the F1 generation. Red is dominant over yellow.

What is the probability of the parents in cross above resulting in a tomato plant offspring that is homozygous?

When you fill in the cross, make sure you put the Bs toghether and the Rs together

If B is for a dominant beak and R is for a dominant ridges, how many will have the dominant phenotype for both?