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WorksheetsChromosomes
Total questions: 10
Worksheet time: 16mins
Name
Class
Date
1.
Thread-like structures located inside the nucleus of animal and plant cells are called
(a)
2.
DNA stands for
(a)
3.
Chromosomes are made of what?
4 lines
4.
what does DNA contain?
4 lines
5.
DNA is wrapped around spool like proteins called
a)
hormones
b)
chemicals
c)
Histones
d)
enzymes
6.
Humans have ____________ pairs of chromosomes
a)
19
b)
23
c)
46
d)
25
7.
Persons with Down syndrome have an extra copy of Chromosome___
a)
3
b)
20
c)
21
d)
5
8.
Most bacteria have___________ DNA
a)
linear
b)
Specific
c)
rigid
d)
Circular
9.
For an organism to grow and function properly cells must constantly __________ to produce ________________
a)
divide, new cells
b)
repeat , die
c)
divide, copies
d)
copy, divide
10.
DNA is passed from
a)
offspring to parents
b)
Parents to offspring
c)
Offspring to offspring
d)
Parent to parent
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