lOMoARcPSD|3013804
Meiosis Gizmos - whole doc of gizmo
Business English I (Sveučilište u Zagrebu)
, lOMoARcPSD|3013804
Student Exploration: Meiosis
Directions: Follow the instructions to go through the simulation. Respond to the
questions and prompts in the orange boxes.
V ocabulary: anaphase, chromosome, crossover, cytokinesis, diploid, DNA, dominant, gamete,
genotype, germ cell, haploid, homologous chromosomes, interphase, meiosis, metaphase,
mitosis, ovum, phenotype, prophase, recessive, sister chromatid, sperm cell, telophase, zygote
Prior Knowledge Questions (Do these BEFORE using the Gizmo.)
1. During m itosis, a single cell divides to produce two daughter cells. What must happen in the
original cell so that each of the daughter cells has a complete set of c hromosomes?
DNA replication
2. During sexual reproduction, two sex cells fuse to create a fertilized cell with a complete
set
of chromosomes. What must be true about the number of chromosomes in each sex cell?
They will get equally divided.
Gizmo Warm-up
M eiosis is a type of cell division that results in four daughter
cells with half as many chromosomes as the parent cell.
These daughter cells mature into g ametes, or sex cells.
In the Meiosis Gizmo, you will learn the steps in meiosis
and experiment to produce customized sex cells and
offspring.
On the STEPS tab, click Male. You are looking at a germ
cell, or a cell that will undergo meiosis to become gametes.
1. Read the description of interphase at the bottom of the Gizmo. What happens to the cell at
the beginning of interphase?
Cell grows and develops.
2. Click on the D NA in the nucleus of the cell. Describe what happens.
The DNA replicates and the cell continues to grow.
3. Why is it necessary for the cell to grow and duplicate its DNA before the start of meiosis?
So every cell has the same size and amount of chromosomes instead it the same
amount of cell just keep getting smaller.
Meiosis Gizmos - whole doc of gizmo
Business English I (Sveučilište u Zagrebu)
, lOMoARcPSD|3013804
Student Exploration: Meiosis
Directions: Follow the instructions to go through the simulation. Respond to the
questions and prompts in the orange boxes.
V ocabulary: anaphase, chromosome, crossover, cytokinesis, diploid, DNA, dominant, gamete,
genotype, germ cell, haploid, homologous chromosomes, interphase, meiosis, metaphase,
mitosis, ovum, phenotype, prophase, recessive, sister chromatid, sperm cell, telophase, zygote
Prior Knowledge Questions (Do these BEFORE using the Gizmo.)
1. During m itosis, a single cell divides to produce two daughter cells. What must happen in the
original cell so that each of the daughter cells has a complete set of c hromosomes?
DNA replication
2. During sexual reproduction, two sex cells fuse to create a fertilized cell with a complete
set
of chromosomes. What must be true about the number of chromosomes in each sex cell?
They will get equally divided.
Gizmo Warm-up
M eiosis is a type of cell division that results in four daughter
cells with half as many chromosomes as the parent cell.
These daughter cells mature into g ametes, or sex cells.
In the Meiosis Gizmo, you will learn the steps in meiosis
and experiment to produce customized sex cells and
offspring.
On the STEPS tab, click Male. You are looking at a germ
cell, or a cell that will undergo meiosis to become gametes.
1. Read the description of interphase at the bottom of the Gizmo. What happens to the cell at
the beginning of interphase?
Cell grows and develops.
2. Click on the D NA in the nucleus of the cell. Describe what happens.
The DNA replicates and the cell continues to grow.
3. Why is it necessary for the cell to grow and duplicate its DNA before the start of meiosis?
So every cell has the same size and amount of chromosomes instead it the same
amount of cell just keep getting smaller.
