A. Three bases code for one amino
acid
A. DNA opens (unzips) & New
strands made
Q. What term is used to describe
Q. Name the complementary base
differences within a population with
in RNA for Adenine.
respect to features such as height?
A. Uracil
A. Variation
Q. Explain the term species.
Q. Name a carbohydrate that is a
component of nucleotides.
A. Interbreeding results in fertile
offspring
A. Ribose; Deoxyribose
Q. What does the ‘m’ stand for in
mRNA?
Q. Give one cause of genetic
variation.
A. Sexual reproduction; Gene or
chromosome mutation; Genetic
engineering
A. Messenger
Q. Genetics is the study of ...
Q. True or False. Organisms of the
same species can usually produce
fertile offspring.
A. Inheritance; Heredity
A. TRUE
Q. True or False. Chromosomes are
made of DNA and lipid
Q. Name the complementary base
in RNA for Cytosine.
Page 1 of 4
A. Guanine
A. FALSE
Q. Explain briefly what is meant by
a gene?
Q. Name a component of a
nucleotide that is neither a
carbohydrate nor a nitrogenous
base.
A. Unit of heredity; Code for
protein; Section of DNA
A. Phosphate group
Q. Give one example of an inherited
human characteristic.
Q. What is a chromosome?
A. Structure found in nucleus
composed of DNA or genes or
hereditary material
A. e.g. Eye colour
Q. What is meant by genetic
screening?
Q. Give one example of a noninherited human characteristic.
A. Testing people for the presence
of a specific gene
Q. Give two applications of DNA
profiling.
A. e.g. Ability to roller skate
Q. Explain what is meant by the
term DNA profiling?
A. Forensic science; Paternity;
Medical
A. Examining DNA for a pattern or
band to compare
Q. What is meant by non-coding
DNA?
Q. True or False. RNA is not found in
ribosomes.
Page 2 of 4
A. Does not code for a protein
A. FALSE
Q. Give one structural difference
between DNA and RNA.
Q. Name the four bases that are
found in DNA.
A. DNA contains thymine; RNA
contains uracil
Q. What are the two main events in
the replication of DNA?
A. Adenine; Thymine; Guanine;
Cytosine
Q. The bases in DNA form a triplet
code. What is meant by a triplet
code?
Page 3 of 4
Follow-me Quiz
Follow-me Quiz
2.5.1 Variation of Species
2.5.2 Heredity & Gene Expression
2.5.3 Genetic Code
2.5.4 DNA Structure, Replication &
Profiling
2.5.1 Variation of Species
2.5.2 Heredity & Gene Expression
2.5.3 Genetic Code
2.5.4 DNA Structure, Replication &
Profiling
Follow-me Quiz
Follow-me Quiz
2.5.1 Variation of Species
2.5.2 Heredity & Gene Expression
2.5.3 Genetic Code
2.5.4 DNA Structure, Replication &
Profiling
2.5.1 Variation of Species
2.5.2 Heredity & Gene Expression
2.5.3 Genetic Code
2.5.4 DNA Structure, Replication &
Profiling
Follow-me Quiz
Follow-me Quiz
2.5.1 Variation of Species
2.5.2 Heredity & Gene Expression
2.5.3 Genetic Code
2.5.4 DNA Structure, Replication &
Profiling
2.5.1 Variation of Species
2.5.2 Heredity & Gene Expression
2.5.3 Genetic Code
2.5.4 DNA Structure, Replication &
Profiling
Follow-me Quiz
Follow-me Quiz
2.5.1 Variation of Species
2.5.2 Heredity & Gene Expression
2.5.3 Genetic Code
2.5.4 DNA Structure, Replication &
Profiling
2.5.1 Variation of Species
2.5.2 Heredity & Gene Expression
2.5.3 Genetic Code
2.5.4 DNA Structure, Replication &
Profiling
Follow-me Quiz
Follow-me Quiz
2.5.1 Variation of Species
2.5.2 Heredity & Gene Expression
2.5.3 Genetic Code
2.5.4 DNA Structure, Replication &
Profiling
2.5.1 Variation of Species
2.5.2 Heredity & Gene Expression
2.5.3 Genetic Code
2.5.4 DNA Structure, Replication &
Profiling
Enter Topic Title in each section above
Page 4 of 4