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WorksheetsLS.12 Genetics and Heredity Pt I
Total questions: 21
Worksheet time: 11mins
The diagram above shows a picture of the DNA molecule. It can be described as...
a single strand with two nitrogenous bases.
having a double helix shape.
being flat like a sheet of paper
rod-shaped
In Deoxyribonucleic acid, cytosine pairs with the nitrogen base, -
thymine
uracil
adenine
guanine
The hereditary material that controls all cellular activities is called-
ATP
Cytoplasm
DNA
chloroplast
In Deoxyribonucleic acid, Adenine pairs with the nitrogen base, -
guanine
thymine
cytosine
uracil
What is the correct abbreviation for Deoxyribonucleic acid?
DOA
RNA
DNA
DRA
DNA can be described as-
having a structure of a single helix.
all of the above
having a structure like a twisted ladder.
storing the vacuole(s) of a cell.
Strands of DNA that are twisted together are known as -
chromosomes
genotypes
recessive
nitrogen bases
Where is the genetic material of a eukaryotic cell located?
In the cell wall
Outside the nuclear membrane
In the nucleus
In the ribosomes
DNA is sometimes referred to as a ladder. Which two molecules make up the sides of the DNA ladder?
phosphate and deoxyribose (sugar)
phosphate and ribose (sugar)
phosphate and nitrogen base
nitrogen base and ribose (sugar)
Rosalind Franklin created the above X-ray to examine the--
division of DNA
alleles of DNA
chromosomes of DNA
structure of DNA
DNA is a molecule made up of which of the following components?
deoxyribose (sugar)
phosphates
fatty acid
blood cells
nitrogenous bases
In order to continue life, DNA must -
replicate
mate
breed
reproduce
If the daughter cells are going to have the same genetic information as the original cell, then --
it requires genetic engineering.
natural selection must occur.
the original cell must mutate
the DNA must replicate
The small segments of a chromosome that help code for a trait are called --
genes
proteins
nucleotides
genotypes
Which scientists were the first to develop an accurate model of the DNA molecule?
James Watson and Francis Crick
Robert Hooke and Anton van Leeuwenhoek
Gregor Mendel and Walter Sutton
Rosalind Franklin and Gregor Mendel
The chemist who was able to create images of DNA molecules using X-ray diffraction was--
Robert Hooke
Gregor Mendel
James Watson
Rosalind Franklin
The letter A is pointing to...
nitrogen base pairs
adenine
thymine
sugar
The letter E is pointing to...
nitrogen base pairs
adenine
thymine
sugar
The letter F is pointing to...
guanine
adenine
thymine
nitrogen base pairs
The letter G is pointing to...
guanine
cytosine
thymine
nitrogen base pairs
The ______ is the order of the nitrogen bases on the DNA molecule that code for specific amino acids.
Genetic code
DNA code
Protein code
Binary code
