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(1) Please discuss the key differences between mitosis and meiosis.(2) Name and define the 5 phases of mitosis starting with Interphase?(3) What is the difference in telophase for an animal and a plant cell?(4) What is the final chromosome number in the new daughter cells at the end of one round of mitosis? What about at the end of meiosis?(5) Name some cell types and regions in the body where mitosis is a frequent occurance for new cell replenishment.

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Elin Hessel
Elin HesselLv2
28 Sep 2019

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Related questions

1- distinguish between mitosis and meiosis:


mitosis ormeiosis completeafter one division?

mitosisor meiosis require2 successive division?

mitosis or meiosis duringanaphase , sister cromaids separate?

mitosis or meiosis duringanaphase I, homogous chromoses separate ?

mitosis or meiosis resultsin daughter cells with the diploid number of chromosomes?

mitosis or meiosis resultsin daughter cells with the diploid numer of chromosomes?

mitosis or meiosis inanimal, occurs in the somatic (body) cells?

mitosis or meiosis inanimals, occurs in the formation of gametes ?


2- what nonisjunction and what mightresult from it?

3- name and define 2 events that areunique to prophast I of meiosis?

3- name 2 events ofmeiosis that serve of genetic variation?

4-how is cell cycle controlled?

5-what is purpose of meiosis?

5- The human genome consists of:

45 individual chromosomes

46 chromosomes (23 pairs)

42 chromosomes (22 pairs)

23 individual chromosomes

6- A specific sequence of DNA that codes for a particular protein.

chromosome

genome

gene

chromatid

7- In the cell cycle, M phase is NOT considered a part of interphase.

True

False

8- At the end of ______________ each cell is genetically identical to the parental cell. At the end of ______________ each cell received ½ the genome of the parental cell:

mitosis; budding

mitosis; meiosis

budding; meiosis

meiosis; mitosis

9- In plant cells, a _____________________ develops at the midpoint between the two groups of chromosomes in a dividing cell, forming the wall between the two new daughter cells.

kinetochore

cleavage furrow

centromere

cell plate

10- Which term best describes how bacteria describe:

binary fission

meiosis

mitosis

diffusion

M2A1 Worksheet: Mitosis and Meiosis

A dog is a diploid organisms and has 39 pairs of chromosomes (2n = 78), where n = 39 chromosomes from each parent. Use this example to answer the following question regarding chromosomal number.

INTERPHASE

How many chromosomes are present in the somatic cell?

What do they look like?

What are they “doing” in G1 of this phase?

What is happening in the S phase?

What is happening in the G2 phase?

What follows G2 phase in a somatic cell?

What follows G2 phase in a gamete cell?

MITOSIS

Number of chromosomes in the parent cell.

Number of chromatids in the parent cell.

Number of chromosomes in the daughter cell.

Number of chromatids in the daughter cell.

How many daughter cells are produced?

Are the daughter cells haploid or diploid?

How many cell divisions take place?

In what type of cell does this division occur?

Meiosis 1:

Number of chromosomes in the parent cell.

Number of chromatids in the parent cell.

Number of chromosomes in each Meiosis I daughter cell.

Number of chromatids in each Meiosis I daughter cell.

Are the daughter cells haploid or diploid at the end of Meiosis 1?

Meiosis II:

Number of chromosomes in the “parent” cell (which is a daughter cell from Meiosis I).

Number of chromatids in the “parent” cell.

Number of chromosomes in each Meiosis II daughter cell.

Number of chromatids in each Meiosis II daughter cell.

Are the daughter cells haploid or diploid at the end of Meiosis II?

Which phase or phases of Meiosis account for the genetic variability among the daughter cells? How… what happens in this phase to create the diversity?

Comparing Mitosis and Meiosis…..

How many daughter cells result from Mitosis? Are they diploid or haploid?

How many daughter cells result from Meiosis? Are they diploid or Haploid?

Cell structures and function: Match each organelle to its function:

Organelle Function

Lysosome 1. Lipid synthesis

Rough ER 2. Houses DNA

Nucleus 3. Energy extraction

Smooth ER 4. Dismantles debris

Golgi apparatus 5. detoxification

Mitochondria 6. Protein synthesis

Peroxisome 7. Processes secretions

What is the function of checkpoint proteins in the cell cycle?

How can all of a person’s cells contain exactly the same genetic material, yet specialize as bone cells, nerve cells, muscle cells and connective tissues?

What are the 3 primary germ layers?

Briefly, in one or two sentences, distinguish between

a bacterial cell and a eukaryotic cell

interphase and mitosis

mitosis and apoptosis

an autosome and a sex chromosome

homologous pair of chromosomes and a sister chromatid

centromere and centriole

chromosome and chromatid

monozygotic and dizygotic twins

allele and gene

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