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Genetics Vocab

Total questions: 37

Worksheet time: 27mins

Name
Class
Date
1.
What is heredity?
a)
A kind of genetic disorder
b)
The way DNA divides
c)
A trait you inherit from your parents
d)
The passing down of traits from parents to children
2.
What is the relationship between DNA and chromosomes?
a)
Chromosomes are made of DNA
b)
DNA is made of chromosomes
c)
DNA and chromosomes are the same thing.
d)
All of the above are correct
3.
How many pairs of chromosomes exist in each of your cells?
a)
10
b)
12
c)
23
d)
46
4.
Why are your chromosomes arranged in pairs?
a)
Scientists have no idea
b)
Because you get one from your mom and one from your dad
c)
Because pairs can divide easier
d)
Because DNA is awesome
5.
Which statement is true?
a)
Your DNA is the same as your siblings.
b)
Your set of DNA is identical to your mothers.
c)
Your set of DNA is identical to your fathers.
d)
Your DNA is unique to you.
6.
Which of your body cells contain DNA?
a)
Only your reproductive cells, like egg or sperm
b)
Only your blood cells
c)
Only your bone cells
d)
Most all of the cells in your body
7.
Put in order smallest to largest:
a)
Chromosome - DNA - Gene
b)
Gene - DNA - Chromosome 
c)
DNA - Gene  Chromosome
d)
Chromosome - Gene  - DNA
8.

What is phenotype?

a)

An organism's physical traits

b)

An organism's genetic make up

9.

What is genotype?

a)

An organism's genetic make up

b)

An organism's physical traits

10.

What is DNA? (pick 2)

a)

A rod shaped structure

b)

A chemical within cells that carries genetic information

c)

A gene pattern

d)

The genetic code

11.

What is a chromosome? (pick 2)

a)

A rod shaped structure

b)

Made up of tightly coiled DNA

c)

A section of the DNA that codes for a gene

12.

Which of the following is an example of a genotype?

a)

BB

b)

Brown eyes

13.

Which of the following is an example of a phenotype?

a)

BB

b)

Brown eyes

14.

Which is considered a dominant allele?

a)

B

b)

b

15.

Which is considered a recessive allele?

a)

B

b)

b

16.

Which pair of alleles shows a homozygote?

a)

Bb

b)

BB, bb

17.

Which pair of alleles shows a heterozygote?

a)

BB, bb

b)

Bb

18.

The dominant allele B codes for Brown eyes, and the recessive allele b codes for blue eyes.

If my genotype is BB what color are my eyes?

a)

Brown

b)

blue

19.
What is another way of saying "purebred"?
a)
homozygous
b)
dominant
c)
recessive
d)
heterozygous
20.
bb crossed with BB, what is the probability of Bb?
a)
0%
b)
25%
c)
50%
d)
100%
21.
Gregor Mendel is known as the:
a)
Father of Genetics
b)
Father of Heredity
c)
Father of Pea Plants
d)
Father of the Punnett Square
22.

A mutation is defined as:

a)

A change in the cell's structure

b)

Anything that changes in an embryo

c)

Any change in the physical features of a human

d)

A change in the DNA sequence

23.
Where do mutations occur?
a)
DNA and RNA
b)
DNA 
c)
RNA
d)
mRNA and tRNA
24.
What causes mutations?
a)
Mistakes in replication or environmental substances
b)
The amino acids
c)
Passed down by genetics
d)
It's how your born
25.

Mutations are random.

a)

True

b)

False

26.

Mutations are SOMETIMES helpful to the organism.

a)

true

b)

false

27.

True or false, mutations create genetic diversity?

a)

True

b)

False

28.

Identify which of the following is a genetic mutation disease..

a)

Common head cold

b)

Cystic fibrosis

c)

Heart attack

d)

Chicken pox

29.

Process used to make more of its own kind, but with only one parent

a)

sexual reproduction

b)

asexual reproduction

c)

development

d)

growth

30.
The sex of a child is determined by
a)
whether the father's sperm contains an x or y chromosome
b)
whether the mother's egg contains an x or y chromosome
c)
the age of the parents
31.
An individual's sex is determined by 
a)
1 of 23 chromosomes
b)
2 of 46 chromosomes
c)
4 of 92 chromosomes
32.
Why is the gene for a disease or disorder more likely to be found on the X chromosome than Y?
a)
The X chromosome has many more genes
b)
The Y chromosome has many more genes
33.
Males are more likely to suffer from a sex-linked disease or disorder because
a)
males are the weaker sex
b)
males have less DNA
c)
males have 1 X chromosome, so the disorder is more likely to be expressed
34.
When we say that a woman is a carrier for a genetic disease or disorder it means that
a)
she has 1 gene, but not the disorder
b)
she has 2 genes for the disorder
c)
she can pass the gene only to male children
d)
she can pass the gene only to female children
35.
Why are men 16 times more likely to be color-blind than women?
a)
to be color-blind, you must have a Y chromosome
b)
to be color-blind, all of your X chromosomes must have the gene
c)
color-blindness is caused by testosterone
d)
color-blindness is caused by the same gene as baldness
36.
If a gene is found only on the X chromosome and not the Y chromosome, it is said to be 
a)
sex-linked trait
b)
polygenic trait
c)
codominant trait
d)
incomplete dominance trait
37.
Which process produces the most variation within a species?  
a)
asexual reproduction 
b)
sexual reproduction 
c)
mitosis
d)
cloning

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