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WorksheetsBiology, Wednesday Bell Ringer, 1.9.18
Total questions: 12
Worksheet time: 23mins
Name
Class
Date
1.
The cells produced via meiosis are called:
a)
sex cells
b)
somatic cells
c)
body cells
d)
skin cells
2.
A human usually has xx amount of chromosomes.
a)
6
b)
22
c)
4
d)
46
3.
What is it called when a sperm and egg meet?
a)
meiosis
b)
fertilization
c)
cell division
d)
mitosis
4.
Diploid Cells are represented by
a)
2n
b)
n
c)
4n
d)
1/2 n
5.
The chromosomes that pair up during meiosis, are called __________ chromosomes.
a)
homozygous
b)
asexual
c)
homologous
d)
genes
6.
A male shark has 40 chromosomes in each of its sex cells. How many would be present in its body cells?
a)
20
b)
40
c)
80
d)
160
7.
Identify the phase.
a)
Metaphase I
b)
Metaphase II
c)
Prophase I
d)
Anaphase II
8.
Name the phase of Mitosis:
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
9.
AA and Aa always show up as
a)
dominant
b)
recessive
10.
What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness?
a)
0 in 4
b)
1 in 4
c)
2 in 4
d)
4 in 4
11.
bb crossed with BB, what is the probability of Bb?
a)
0%
b)
25%
c)
50%
d)
100%
12.
T - tall and t = short
In the punnett square below, what belongs in the missing square
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
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