WorksheetsChromosome Gene Dna
Total questions: 21
Worksheet time: 12mins
What is a gene
A long length of DNA that codes for a chromosome
A short length of DNA that codes for a chromosome
A short length of DNA that codes for a protein.
The number of human chromosomes is
23
46
92
64
Genes are found within bands of DNA. Which sentence best describes the function of a gene.
Genes create more DNA for the organism to use later.
Genes create instructions that tell cells which proteins to make.
Genes create chromosomes for organisms to pass down to their offspring.
Select all of the examples of traits:
Hair color
Being tall or short
Chromosomes
Having a good report card.
Having 6 fingers.
What do genes control
lipids
nucleotides
traits
DNA
A gene
(1) is a fragment of DNA on the chromosome.
(2) controls a body character.
(3) is the unit of inheritance.
(1) and (2) only
(1) and (3) only
(2) and (3) only
(1), (2) and (3)
Sperms have
one chromosome.
two chromosomes.
one set of chromosomes.
two sets of chromosomes.
chromosome
DNA
genes
heredity
You cannot inherit skin color from your mom.
true
false
How many pairs of chromosomes do you have?
2
46
23
8
The picture shows 46 chromosomes taken from a human:
Male, because there are two X chromosomes
Male because there is an X and a Y
Female because there are two X chromosomes
Female because there is an X and a Y
Which statement is true? (Pick one.)
Offspring only inherit chromosomes from one parent not both parents.
Males and females of the same species have the same amount of chromosomes
Offspring from two parents inherit the exact same chromosomes
Males always have more chromosomes than females
All of the following are genetic traits except
eye color
risks for certain diseases
age
size
