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DNA & Heredity

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.

Difference between Genotype and Phenotype

a)

An organism's genotype is the set of genes in its DNA responsible for a particular trait. An organism's phenotype is the physical expression of those genes.

b)

An organism's genotype is the set of genes in its DNA responsible for a particular trait. An organism's phenotype is the biological expression of those genes.

c)

An organism's genotype is the set of genes in its DNA responsible for a particular trait. An organism's phenotype is the physical expression of those DNAs.

d)

genotype have better connection than phenotype

2.

What does DNA stand for?

a)

Dinoboxical nano altiods

b)

deoxyribonucleic acid

c)

dinahism nautic atibo

d)

Woah

3.
Chromosomes are found in the ____________ of the cell
a)
Chloroplast
b)
Nucleus
c)
Cytoplasm
d)
Mitochondria
4.
The passing of DNA from parents to offspring
a)
Generation
b)
Heredity
c)
Inheritance
d)
Traits
5.
What is a gene?
a)
An entire chromosome that  codes for a trait
b)
a piece of clothing
c)
a piece of a DNA on chromosome that codes for a trait
d)
Chemical messengers in your brain that code for a trait
6.
Segments of DNA are called _______________________
a)
Genes
b)
Nuclei
c)
genotypes
d)
Chromosomes
7.

A chart that shows possible gene combinations.

a)

Karyotype

b)

DNA

c)

Punnett square

d)

Replication

8.

The sides of DNA are made of

a)

sugars and phosphates

b)

nitrogen

c)

candy

d)

carbohydrates

9.

The order from smallest to largest - gene, DNA, chromosomes, nucleus

a)

True

b)

False

10.
The trait that covers up the other trait and is written as an uppercase letter is called the
a)
Dominant Trait
b)
Homozygous Trait
c)
Recessive Trait
d)
Heterozygous Trait
11.
The trait that covers up the other trait and is written as an uppercase letter is called the
a)
Dominant Trait
b)
Homozygous Trait
c)
Recessive Trait
d)
Heterozygous Trait