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WorksheetsCell division
Total questions: 20
Worksheet time: 11mins
If there are 16 chromosomes in the egg cells of an organism, how many chromosomes would be found in its muscle cells?
16
32
8
64
If there are 20 chromosome in the egg cells, how many chromosomes would be found in the sperm cells of the same species?
10
40
20
80
Which of the following best describe the term “crossing over”?
a. separation of two sister chromatids
b. A molecular interaction between two sister chromatids
c. An exchange of information between two homologous chromosomes
d. A molecular interaction between two non-sister chromatids
The chromosomes that pair up during meiosis, are called __________ chromosomes.
homozygous
asexual
homologous
heterozygous
During what phase of meiosis do tetrads form?
Anaphase I
Prophase II
Prophase I
Anpahase II
After chromosome replication and during synapsis,
homologous chromosome pair side by side
sister chromatids pair at the centromeres
Homologous chromosome pair at the ends
sister chromatods pair side by side
A cell containing 92 chromatids at metaphase of mitosis, at its completion produce two nuclei containing how many chromosome?
12
16
23
46
The point at which crossing over has taken place is called
centriole
centromere
cell plate
chiasma
Describe the behaviour of chromosome as shown above
a pair of homologous chromosome separate and move to opposite poles
sister chromatids separate move and move to opposite poles
a pair of homologous chromosome separate to opposite poles
sister chromatids separate to opposite poles
Which of the following does NOT occur during this stage?
Synapsis
Crossing over
DNA replication
which statement correctly describes homologous chromosomes?
they are form during meoisis
they are held together by centromeres
they are identical
they carry the same gene loci
