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WorksheetsOCR B5.1 - Quiz
Total questions: 10
Worksheet time: 5mins
Which is the correct notation for a heterozygous individual?
Bb
bb
BB
What is the definition of genotype?
How an organism looks
The genes an organism has
The alleles an organism has
Which of these characteristics would produce a graph showing continuous variation?
Blood type
Eye colour
Height
How many sets of chromosomes does a haploid cell contain?
One
Two
Half
Which statement about human gender and sex chromosomes is correct?
Females are XX
Females are XY
Males are YY
What is the probability of having a homozygous recessive child if two heterozygous parents have children?
75%
50%
25%
Which word or phrase best describes an organism with the genotype 'aa'?
Heterozygous
Homozygous recessive
Homozygous dominant
What is the correct definition of allele?
The way an organism looks
The different versions of a gene
The entire genetic material of an organism
If a diploid cell of an organism has 30 chromosomes, how many chromosomes will a haploid cell have?
60
30
15
If a cat that is homozygous dominant for a particular gene mates with a cat that is heterozygous for the same gene, what will be the percentages of the genotypes of the offspring produced?
50% homozygous dominant, 50% homozygous recessive
50% homozygous dominant, 50% heterozygous
50% homozygous recessive, 50% heterozygous
