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WorksheetsGenetics
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What is heredity?
a)
The passing on of atoms to an element
b)
The passing on of traits through genes from one generation to the next
c)
Genes in a pair
d)
Birds can fly
2.
The set of genes carried by an organism is what?
a)
Phenotype
b)
Recessive trait
c)
Genotype
d)
Double helix
3.
What is the weaker allele?
a)
Recessive Trait
b)
Dominant trait
c)
organ system
d)
cells
4.
DNA is in the shape of what?
a)
Double helix
b)
Triangle
c)
Spiral
d)
Circular
5.
What are chromosomes composed of?
a)
compounds
b)
cells
c)
elements
d)
long strands of DNA
6.
Genes determine a particular trait?
a)
true
b)
false
7.
What are sex cells called?
a)
gametes
b)
DNA
c)
alleles
d)
oranisms
8.
Which of the following is NOT an inherited trait?
a)
eye color
b)
hair type
c)
face shape
d)
sun burn
9.
What is Co-dominance
a)
when there are 0 dominant allels
b)
When there is more than one dominant allele
c)
2 homozygous traits
d)
23 chromosomes
10.
Environmental factors- ________.
a)
Can change the name
b)
can express more feelings
c)
Can alter the phenotype
d)
They don't effect the organism at all
11.
What is the purpose of a punnett square?
a)
They show football plays
b)
they are diagrams that help builders
c)
They don't have a purpose
d)
They help scientist figure out how inherited traits are distributed
12.
What is a Mono-hybrid cross?
a)
where it crosses one trait
b)
where to elements are different
c)
Genes are expressed
d)
they have no purpose
13.
Homozygous gene pair is where?
a)
The two alleles are the same
b)
The two alleles are different
c)
opitional
d)
Not living
14.
What is incomplete dominance?
a)
When the Recessive trait is more present than the dominate allele
b)
Where the dominate trait is more present that the recessive
c)
the same as co- dominance
d)
is where the dominant allele does not completely mask the recessive allele
15.
Dominant traits are represented by what?
a)
LOWER CASE LETTERS
b)
circles
c)
capital letters
d)
Recessive traits
16.
What are genetic mutations
a)
When you genetically engineer something
b)
any change in the sequence of DNA
c)
ratio in a punnett square
d)
harmful and helpful
17.
What do enzymes do?
a)
They help you recover when you get sick
b)
They lead to cancer
c)
they break down unwanted cells in your body
d)
they automatically repair mutations
18.
Gamete cell mutations can result in what?
a)
Genetic disorders
b)
It is a beneficial mutations
c)
Natural selection
d)
Genetic engineering
19.
What is selective breeding?
a)
When you change the DNA
b)
it is part of the humans genome project
c)
a process humans used to breed or reinforce desired traits
d)
Changing the physical shape of something
20.
Methods that employ a variety of technology to advance medical science is_______.
a)
Biomedical research
b)
selective breeding
c)
GMO
d)
Sickle cell anemia
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