Differences between Mitosis and Meiosis
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Name two major events that occur in both mitosis and meiosis?
Mention the difference between mitosis and meiosis with reference to:
The chromosome number of daughter cells formed.
- Homologous chromosomes behave independently
- Chromatids are separated during anaphase
- Homologous chromosomes pair and form bivalents
- Homologous chromosomes crossover
During mitosis, homologous chromosomes pair up and separate.
True
False
What are the two successive divisions of meiosis?
- One spermatozoan fertilizes two ova.
- One ovum is fertilized by two spermatozoa.
- Two eggs are fertilized.
- One fertilized egg divides into two blastomeres and they become separate.
Identify the stage of mitosis by inspecting the image and key changes listed.
Prophase
Anaphase
Telophase
Metaphase
Give scientific reason:
Meiosis I is considered a reductional division.
Which statement describes human cells formed by meiosis?
They are genetically identical and they become gametes.
They are genetically identical and they become tissues.
They are not genetically identical and they become gametes.
They are not genetically identical and they become tissues.
- 28, 14
- 14, 28
- 14, 14
- 14, 7
Which of the following phases occur just before the cells begin to divide by mitosis again?
R phase
G1 phase
S phase
G2 phase
Differentiate mitosis and meiosis.
A) interphase
B) mitosis
C) meiosis I
D) meiosis II
What is the differentiating event in Anaphase, that sets apart Mitosis and Meiosis?
Chromosomes align equatorially in mitosis but align longitudinally in meiosis
When moving towards the poles, sister chromatids separate in mitosis, but remain attached in meiosis
When moving towards the poles, sister chromatids do not separate in mitosis, but separate in meiosis
Chiasmata are not cut in mitosis but they are cut in meiosis
Which of these is the primary purpose of meiosis?
DNA replication
Gamete formation
Somatic cell formation
Cell division
What is mitosis?
Which of the following occurs in meiosis but not in mitosis?
Pairing of homologous chromosomes at the metaphase plate
Replication of DNA prior to the start of cell division
Attachment of spindle fibres to the kinetochores
Separation of sister chromatids at anaphase
Match the following differences between Mitosis and Meiosis:
Table I Table IIi) Mitosis a. Two Diploid daughter cells are formed.ii) Meiosisb. Four Haploid daughter cells are formed.c. The number of chromosomes remains the same. d. Bivalents are formed and crossing over is seen.e. Division process occurs twice.f. Division process occurs only once.
i).➡ d., e., & f. ii).➡ a., b., & c.
i).➡ a., b., & c. ii).➡ d., e., & f.
i).➡ b., d., & e. ii).➡ a., c., & f.
i).➡ a., c., & f. ii).➡ b., d., & e.
Which of the following is not a characteristic feature during mitosis in somatic cells?
Synapsis
Disappearance of nucleolus
Chromosome movement
Spindle fibres
Identify the correct statement from the following:
Mitosis take place in somatic cells
Meiosis take place in somatic cells
In mitosis, synapsis is present
In meiosis, daughter cells are diploid
Find the correct match from the following:
Column AColumn B1. Male gametea. 46 chromosomes2. Female gameteb. Sperm3. Diploid human cellc. Chromosome number reduced to half4. Meiosisd. Egg
- 1-b, 2-a, 3-d, 4-c
- 1-b, 2-d, 3-a, 4-c
- 1-d, 2-a, 3-b, 4-c
- 1-d, 2-b, 3-a, 4-c
- 60
- 15
- 30
- 10
Which of the following occurs in meiosis but not in mitosis?
Attachment of spindle fibres to the kinetochores
Pairing of homologous chromosomes at the metaphase plate
Replication of DNA prior to the start of cell division
Separation of sister chromatids at anaphase
During which phase do the daughter cells get one chromosome of each homologous pair?
Anaphase of mitosis
Anaphase I of Meiosis I
Anaphase II of Meiosis II
Telophase
- Attachment of spindle fibres to the kinetochores
- Pairing of homologous chromosomes at the metaphase plate
- Separation of sister chromatids at anaphase
- Replication of DNA prior to the start of cell division
Constant Parent
Variable Mother
Parent Constant
Variable Father
- False
- True