WorksheetsGenes and DNA
Total questions: 25
Worksheet time: 25mins
What is DNA
donuts need algea
did no algebra
do not answer
deoxyribonucleic acid
Why is DNA important?
It teleports cookies to my locker.
It carries the instructions for our cells.
It allows me to be invisible.
It gave us a snow day in August.
A chromosome is made of coiled up ___________.
cells
nuclei
DNA
The part of the cell that contains chromosomes and genes is the:
Mitochondria
Nucleus
Chloroplast
Ribosomes
Which of the following best describes why siblings (except identical twins) do not look exactly alike?
They inherit different genes from their parents
They choose different lifestyles
They eat different foods
They live in different environments
What is DNA?
A type of protein that helps in digestion
A molecule that contains the instructions an organism needs to develop, live, and reproduce
A cell component that provides energy for the cell
A type of carbohydrate that stores energy
What is the shape of the DNA molecule?
Single helix
Double helix
Triple helix
Quadruple helix
A segment of DNA that codes for a trait
gene
centromere
chromosome
chromatid
Why are identical twins genetically identical?
They inherit exactly the same genes from their parents
They live in the same environment
They eat the same food
They are born at the same time
How many copies of each gene do you inherit from your parents?
One copy from each parent
Two copies from each parent
One copy from one parent only
Two copies from one parent and one copy from the other
What is the main function of genes?
To provide energy to the cells
To digest food
To determine the traits of an organism
To protect the cell from viruses
A segment of DNA that codes for a trait
gene
centromere
chromosome
chromatid
How many Chromosomes do we inherit from our parents?
23 from dad and 23 from mom, or 46 total
13 from dad and 13 from mom, or 26 total
13 from dad and 33 from mom, or 46 total
DNA is inside your cells. What part of the cell is the DNA inside of?
cell membrane
cytoplasm
nucleus
Which is the best definition of DNA?
a spiral ladder
something in your cells
the recipe for making an organism
Who is the Father of Genetics?
Robert Hooke
Gregor Mendel
Albert Einsten
Albert Wegener
What is the study of how traits are passed from parents to offspring?
biology
botany
molecular biology
genetics
B = brown fur b = white fur
In the Punnett square, what is the probability for white fur?
0%
25%
50%
75%
What allele combination should go in the missing box?
AA
Aa
aa
none of these
Our height is usually a result of an _______________________.
inherited trait
environmental trait
This is a specific form of a gene, like green peas versus yellow peas.
allele
recessive
dominant
What is the primary role of DNA in cells?
To store genetic information
To provide structural support
To transport nutrients
To produce energy
Which of the following best describes a gene?
A segment of DNA that codes for a protein
A type of cell that carries oxygen
A molecule that stores energy
A structure that protects the cell
In a DNA molecule, which base pairs with adenine?
Thymine
Cytosine
Guanine
Uracil
What is the significance of the double helix structure of DNA?
It allows DNA to be easily replicated
It provides energy to the cell
It helps in the digestion of food
It transports oxygen in the blood
