WorksheetsN5 - 2.4 Variation and Inheritance
Total questions: 19
Worksheet time: 10mins
What term is used to describe the differences that exist between members of the same species?
Chromosomes
Inheritance
Variation
Fertilisation
Which form of variation is a form of Single Gene Inheritance?
Discrete Variation
Continuous Variation
Which form of variation is a form of Polygenic Inheritance?
Discrete Variation
Continuous Variation
Which form of variation can be measured and has a range of values?
Discrete Variation
Continuous Variation
Which form of variation can be classified into distinct groups?
Discrete Variation
Continuous Variation
Which of the following is an example of discrete variation?
Length of index finger
Eye colour
Height
Foot size
Which of the following is an example of continuous variation?
Ear wax type
Hair colour
Hand span
Eye colour
What term is given to a different form of a gene?
Chromosome
Chromatid
DNA
Allele
Which of the following is an example of a dominant allele?
A
a
Which of the following is an example of a recessive allele?
A
a
What term is used to describe a genotype with two of the same alleles?
Homozygous
Heterozygous
What term is used to describe a genotype with two different alleles?
Homozygous
Heterozygous
What would the genotype Tt be termed as?
Heterozygous
Homozygous Dominant
Homozygous Recessive
What would the genotype tt be termed as?
Heterozygous
Homozygous Dominant
Homozygous Recessive
What would the genotype Aa be termed as?
Heterozygous
Homozygous Dominant
Homozygous Recessive
What would the genotype AA be termed as?
Heterozygous
Homozygous Dominant
Homozygous Recessive
What is the definition of a genotype?
An individuals alleles for a particular characteristic
An individuals physical appearance
The differences between members of the same species
Variation that can be measured
What is the definition of a phenotype?
An individuals alleles for a particular characteristic
An individuals physical appearance
The differences between members of the same species
Variation that can be measured
Describe why offspring will not necessarily follow the expected genotype ratio
Fertilisation is random
Fertilisation is inaccurate
Punnet squares are not reliable
Different alleles appear during fertilisation
