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WorksheetsGeneticist- Day 24
Total questions: 25
Worksheet time: 2hrs 56mins
Name
Class
Date
1.
Tt is-
a)
homozygous dominant
b)
homozygous recessive
c)
heterozygous
d)
none of these
2.
Purple is dominant to white. A heterozygous purple flower is crossed with a white flower. What are the genotypes and phenotypes of the offspring?
a)
100% Pp (purple)
b)
50% Pp (purple); 50% pp (white)
c)
75% Pp (purple); 25% pp (white)
d)
25% PP, 50% Pp, 25% pp
75% purple, 25% white
75% purple, 25% white
3.
If a pea plant were homozygous recessive for height, how would its alleles be represented?
a)
TT
b)
Tt
c)
tt
d)
tT
4.
A woman with blood genotype IAio marries a man with blood genotype IBio. What is the probability that they would have a child with type O blood?
a)
1/1
b)
1/2
c)
1/3
d)
1/4
5.
If green is dominant over purple, then what is the genotype for this individual?
a)
Purple
b)
Green
c)
GG
d)
gg
6.
Where, in the cell, is DNA located?
a)
ribosomes
b)
nucleus
c)
E.R.
d)
cytoplasm
7.
This organelle takes food and turns it into ENERGY for plant and animal cells.
a)
Chloroplast
b)
Mitochondria
c)
Lysosome
d)
Ribosome
8.
I make proteins for the cell. What am I?
a)
ribosome
b)
mitochondria
c)
chloroplast
d)
lysosome
9.
I store water in both plant and animal cells. What am I?
a)
cytoplasm
b)
ribosomes
c)
vacuole
d)
lysosomes
10.
Look at the picture! I am only found in a plant cell. What am I?
a)
cell wall
b)
mitochondria
c)
cytoplasm
d)
chloroplast
11.
What organelle does the picture show?
a)
ribosome
b)
nucleus
c)
cell wall
d)
mitochondrion
12.
You should always carry the microscope by the
a)
arm and base
b)
arm and body tube
c)
arm only
13.
When looking at a specimen on your slide, you should always start with the
a)
low objective lens
b)
medium objective lens
c)
high objective lens
14.
if an organism has 24 chromosomes how many will it have at the end of asexual reproduction
a)
6
b)
12
c)
24
d)
48
15.
When looking through your microscope, you move your slide to the right- It appears
a)
to move to the right
b)
to stay the same
c)
to move to the left
d)
to move up
16.
What is number 19?
a)
diaphragm
b)
coarse adjustment
c)
fine adjustment
d)
light source
17.
Many genes contributing to one trait (like hair color or eye color) is known as...
a)
Polygenic Inheritance
b)
Polygenotype Inheritance
c)
Multiphenotypical Inheritance
d)
Multigenic Inheritance
18.
If two organisms reproduce sexually, then their offspring will exhibit a genetic makeup that is -
a)
identical to only one parent
b)
identical to all of its siblings
c)
a unique combination of traits
d)
the recessive traits of each parent
19.
Which reproduction does genetically unique offspring come from?
a)
Asexual reproduction
b)
Sexual reproduction
c)
Both asexual and sexual reproduction
d)
Asexual offspring
20.
If an organism has 30 chromosomes in their body cells, how many will their sex cells have?
a)
6
b)
15
c)
24
d)
the number varies with the species.
21.
Which type(s) of reproduction involves only ONE parent?
a)
asexual
b)
sexual
c)
both
22.
Choose the False statement about humans.
a)
We use asexual reproduction to heal and grow.
b)
We use asexual reproduction to make new offspring.
c)
We use sexual reproduction to make new offspring.
d)
Our offspring are genetically different than their parents.
23.
The egg is fertilized in the...
a)
Uterus
b)
Fallopian Tube
c)
Ovary
d)
Testes
24.
Choose the false statement:
a)
Females are born with all of the eggs they will ever have.
b)
Males are born with all of the sperm they will ever have.
c)
Females have two ovaries.
d)
A fertilized egg is known as a zygote.
25.
The zygote goes on to attach and develop in what structure?
a)
Uterus
b)
Fallopian Tube
c)
Ovary
d)
Testes
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