NEW
Font size
WorksheetsMeiosis 2021
Total questions: 12
Worksheet time: 4mins
Why do we need meiosis?
To double the number of chromosomes going into sex cells
To halve the number of chromosomes going into sex cells
To triple the number of chromosomes going into sex cells
To not change the number of chromosomes going into sex cells
In MITOSIS cells are genetically _______, but in MEIOSIS cells are genetically ______.
diferent, identical
identical, different
different, different
identical, identical
When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurs.
crossing over
mutagenesis
hybridization
fertilization
Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.
23, 46
46, 23
2, 4
50, 100
During Metaphase I, how do the chromosomes line up on spindle?
One homologous chromosome per spindle fiber
Two homologous chromosomes per spindle fiber
One random chromosome per spindle fiber
Two random chromosomes per spindle fiber
Which phase is shown in the picture?
Metaphase I
Metaphase II
Prophase I
Anaphase II
Which phase is shown in the picture?
metaphase I
metaphase II
anaphase I
anaphase II
Which phase is shown in the micrograph?
Anaphase I
Anaphase II
Telophase I
Telophase II
Which of the following statements about Mitosis and Meiosis is TRUE?
Both mitosis and meiosis result in identical cells
In mitosis chromosomes line up one per spindle fiber, in meiosis they line up in homologous chromosomes per spindle fiber
During prophase crossing over occurs in both mitosis and meiosis
DNA is only replicated before mitosis as each resulting cell needs a complete set, whereas in meiosis the original DNA is just halved.
Structure (b) is pointing to a
chromatid
chromosome
centromere
DNA
What phase is shown in the picture?
metaphase I
metaphase II
anaphase I
anaphase II
What is meiosis also commonly referred to as?
Double Division
Reduction Division
PMAT2
Half it to make it Haploid
