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Intro to Heredity Quiz

Total questions: 13

Worksheet time: 7mins

Name
Class
Date
1.

Molecule that carries the genetic information in your body's cells

a)
b)
c)
2.

__________ is the physical expression of a set of genes for a particular trait.

a)

Genotype

b)

Chromosome

c)

Phenotype

d)

Gene

3.

This is a distinct portion of your cell's DNA that carries genetic instructions for a particular trait...

a)

homologous chromosomes

b)

genes

c)

base pairs

d)

genotype

4.

These are molecules that will only bond with each other: A-T and C-G.

a)

genes

b)

homozygous

c)

chromosomes

d)

base pairs

5.

Since human cells carry 2 copies of each chromosome (one from each parent), they have 2 versions of each gene; these versions of a gene are called ________ and can be dominant or recessive.

a)

alleles

b)

homologous chromosomes

c)

genome

d)

gene

6.

This is a chromosome pair (1 from each parent) that are similar in size and carry genes for the same traits

a)
b)
c)
d)
7.

This contains an organism's complete set of genetic material that is needed to build and maintain that organism

a)
b)
c)
d)
8.

_______ is a gene pairing where each allele in the pair is a different version.

a)

homozygous

b)

heterozygous

c)

homologous

d)

genome

9.

_______ is the set of genes responsible for a particular trait or phenotype

a)

gene

b)

genome

c)

genotype

d)

chromosome

10.

What is the organelle that contains all the eukaryotic cell's genetic material?

a)

nucleus

b)

mitochondria

c)

golgi bodies

d)

lysosomes

11.

Which of the following is a gene pair where each allele in the pair is the same version?

a)
b)
c)
d)
12.

How do you spell DNA?

(a)  

13.

Who primarily discovered the A-DNA strand and also worked on the B-DNA strand, but did not necessarily receive credit for the work?

a)

Franklin

b)

Crick

c)

Watson