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WorksheetsLS - 4.4 Chromosomes and Inheritance
Total questions: 20
Worksheet time: 11mins
Name
Class
Date
1.
Walter Sutton worked with
a)
rabbits
b)
pea plants
c)
grasshoppers
d)
macaroni
2.
Mitosis involves this many divisions of the nucleus.
a)
1
b)
2
c)
3
d)
4
3.
Meiosis involves this many divisions of the nucleus.
a)
1
b)
2
c)
3
d)
4
4.
The division process that cells undergo to repair or replace damage or to reproduce exact copies is called
a)
mitosis
b)
meiosis
c)
replication
d)
synthesis
5.
Meiosis produces
a)
sex cells
b)
clone cells
c)
prison cells
d)
blood cells
6.
Each chromosome contains two identical
a)
chromatids
b)
nuclei
c)
daughter cells
d)
cycles
7.
In the first division of meiosis, the ___ pairs line up, then separate.
a)
chromosome
b)
nuclei
c)
centriole
d)
spindle fibers
8.
Body cells of humans have ___ PAIRS of chromosomes
a)
46
b)
23
c)
24
d)
12
9.
After meiosis, sex cells have ___ number of chromosomes as body cells
a)
the same
b)
half of the
c)
a quarter of the
d)
more than the
10.
Genes are passed from parents to offspring on
a)
DNA
b)
duplicated genes
c)
chromosomes
d)
little boats
11.
Chromosomes split into chromatids in the ____ division of meiosis
a)
first
b)
second
c)
third
d)
fourth
12.
Both chromosomes in a pair have the same genes lined up in the same order
a)
true
b)
false
13.
A fertilized egg has ____ chromosomes as the body cells of a parent.
a)
more
b)
less
c)
1/2
d)
the same number of
14.
Body cells can contain ____ many genes,
a)
10-200
b)
20,000-25,000
c)
200,000-500,000
d)
god only knows!
15.
Which stage of meiosis is pictured in this image?
a)
prophase
b)
metaphase
c)
anaphase
d)
cytokinesis
16.
A haploid gamete is a
a)
cell with the full number of chromosomes
b)
a cell with half the number of chromosomes
c)
a cell with no chromosomes
d)
a cell with twice the number of chromosomes
17.
In Geckos body cells, 2N = 38. The N number is . . .
a)
38
b)
56
c)
19
18.
This man gave us the Chromosomal Theory of Inheritance
a)
Charles Darwin
b)
Charlie Sheen
c)
Walter Sutton
d)
Walter Chronkite
19.
To say that traits are inherited from parents by genes transferred on chromosomes is to say . . .
a)
the chromosomal theory of inhertance
b)
the theory of independent assortment
c)
the theory of evolution
20.
Gametes are produced by this process . . .
a)
mitosis
b)
mitochondria
c)
cellular respiration
d)
meiosis
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