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WorksheetsGenetic conditions
Total questions: 13
Worksheet time: 7mins
Which of these is a genetic condition?
Athlete's foot
Cystic fibrosis
Common cold
Measles
What are the symptoms of haemophilia?
Mucus in lungs
Mucus in digestive system
Crescent-shaped red blood cells
Cuts take longer to heal
What is a small section of DNA which is the genetic code for a characteristic?
Gene
Chromosome
Genome
Base
True or false: A phenotype is the combination of alleles in an organism written as letters.
True
False
What do we call someone who does not have a genetic condition but could pass it to their offspring?
Heredity
Communicable
Inherited
Carrier
How many chromosomes are found in human body cells?
23 chromosomes
23 pairs of chromosomes
46 pairs of chromosomes
What are the different forms of a gene called?
Genotypes
Alleles
Chromosomes
Why does a person need to have two copies of the cystic fibrosis allele to have cystic fibrosis?
The allele is a carrier
The allele is recessive
The allele is dominant
In a genetic diagram, how is a dominant allele shown?
As a bold letter
As a lowercase letter
As a capital letter
Which of these represents someone who is heterozygous for a certain gene?
Hh
HH
hh
What is a phenotype?
All the genes in an organism
All the genes and characteristics shown by an organism
All the characteristics shown by an organism
Define homozygous
Where both alleles are the same version of the gene
Different alleles of the gene
The genes possessed
A sequence of bases in a molecule of DNA, or a section of a chromosome
Define heterozygous
Where both alleles are the same version of the gene
Different alleles of the gene
The genes possessed
A sequence of bases in a molecule of DNA, or a section of a chromosome
