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Worksheets10SCI Genetics and DNA Recap
Total questions: 14
Worksheet time: 26mins
True or false? All living things have DNA.
true
false
The sides of DNA contain
Sugar and phosphate
Sugar and base pairs
Phosphate and base pairs
DNA does not have any sides
The scientific name for the shape of DNA is
Double
Helix
Twisted ladder
Spiral shape
Double spiral
Which of the following is NOT a nitrogen base in DNA?
Adenine
Glucose
Cytosine
Thymine
The smallest unit of DNA is called a...
(a)
The 3 parts that make up a nucleotide are:
What is a segment of DNA on a chromosome that codes for a trait?
nucleotide
gene
RNA
protein
A gene is a section of DNA that codes for...
a protein which affects a characteristic
a nucleotide
a protein which affects a cytoplasm
a phosphate
What are chromosomes made of?
How many chromosomes do you have in most of your cells?
How many homologous pairs of chromosomes do humans have?
46
23
2
none
How many chromosomes do you inherit from each individual parent?
23
46
2
22
How many total chromosomes do humans have?
45
23
22
46
