A. Testing people for the presence
of a specific gene
Q. What term is used to describe an
individual’s genetic make-up?
A. Two
Q. Name the sex chromosomes that
are present in a human male cell.
A. Genotype
A. XY
Q. Explain the term recessive.
Q. What is incomplete dominance?
A. Neither allele masks the
expression of the other
A. It is only expressed in the
homozygous condition
Q. Name the sex chromosomes that
are present in a human female cell.
Q. What is an allele?
A. XX
A. Alternative form of a gene
Q. A spontaneous change in the
genetic material of an organism is
called a ...
Q. Explain homozygous
A. Mutation
A. Identical alleles or genes
Q. What is meant by phenotype?
Q. A change in the structure of DNA
is a … and may give rise to a …
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A. Physical appearance; Expression
of genotype; Result of genotype +
environment
Q. Explain the term dominant.
A. An allele that is always
expressed (masks its recessive
partner)
Q. Explain heterozygous.
A. Mutation; Variation
Q. Name a scientist responsible for
the Theory of Natural Selection
A. Darwin; Wallace
Q. State two types of evidence used
to support the theory of evolution.
A. Fossils; Embryos; Anatomy;
Genetics
A. Different alleles or genes
Q. How many possible gametes can
a parent of genotype AaBb
produce?
Q. What is ‘junk’ DNA?
A. Does not code for a protein
A. Four
Q. What is linkage?
Q. Give two causes of mutation.
A. Genes on the same chromosome
Q. Human males and females differ
in one of their twenty three pairs of
chromosomes. What name is given
to this pair of chromosomes?
A. Chemicals; Radiation; Viruses;
Carcinogens; etc.
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Q. What is meant by the term
evolution?
A. Inheritable change within a
population in response to change
in the environment by natural
selection over time
A. Heterosomes;
Sex chromosomes
Q. What is sex-linkage?
Q. What is Natural Selection?
A. Genes located on sex (X or Y)
chromosome
A. Organisms best suited to
environment have greater chance
of breeding and survival
Q. How many possible gametes can
a parent of genotype Aa produce?
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Q. What is meant by genetic
screening?
Follow-me Quiz
Follow-me Quiz
2.5.6 Genetic Inheritance
2.5.7 Causes of Variation
2.5.8 Evolution
2.5.6 Genetic Inheritance
2.5.7 Causes of Variation
2.5.8 Evolution
Follow-me Quiz
Follow-me Quiz
2.5.6 Genetic Inheritance
2.5.7 Causes of Variation
2.5.8 Evolution
2.5.6 Genetic Inheritance
2.5.7 Causes of Variation
2.5.8 Evolution
Follow-me Quiz
Follow-me Quiz
2.5.6 Genetic Inheritance
2.5.7 Causes of Variation
2.5.8 Evolution
2.5.6 Genetic Inheritance
2.5.7 Causes of Variation
2.5.8 Evolution
Follow-me Quiz
Follow-me Quiz
2.5.6 Genetic Inheritance
2.5.7 Causes of Variation
2.5.8 Evolution
2.5.6 Genetic Inheritance
2.5.7 Causes of Variation
2.5.8 Evolution
Follow-me Quiz
Follow-me Quiz
2.5.6 Genetic Inheritance
2.5.7 Causes of Variation
2.5.8 Evolution
2.5.6 Genetic Inheritance
2.5.7 Causes of Variation
2.5.8 Evolution
Enter Topic Title in each section above
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