Genes
Traffic lights quiz
Hold up the coloured card that matches the correct answer
you see on the screen
Which is the smallest?
DNA
Chromosome
Gene
1 321
Which is the smallest?
Gene
1 321
How many chromosomes do humans have?
22 pairs
23 pairs
33 pairs
2 321
How many chromosomes do humans have?
23 pairs
2 321
What are genes?
Long lines of DNA that codes for all of our characteristics
Short lines of DNA that code for one characteristic
Found in the cytoplasm
3 321
What are genes?
Short lines of DNA that code for one characteristic
3 321
How many alleles of the same gene do we have?
1
2
3
4 321
How many alleles of the same gene do we have?
2
4 321
DNA is found in:
The cytoplasm
The cell membrane
The nucleus
5 321
DNA is found in:
The nucleus
5 321
Genotype is:
The characteristic e.g. eye colour
The combination of alleles
The protein that is made by the gene
6 321
Genotype is:
The combination of alleles
6 321
Phenotype is:
7 321
The characteristic e.g. eye colour
The combination of alleles
The protein that is made by the gene
Phenotype is:
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The characteristic e.g. eye colour
A dominant allele will
Show when you only have one copy of it
Show only when you have 2 copies of it
Only show in the next generation
8 321
A dominant allele will
Show when you only have one copy of it
8 321
Which one is the homozygous genotype?
Bb
bB
BB
9 321
Which one is the homozygous genotype?
BB
9 321
If b is the recessive allele and codes for blue eyes, which of these genotypes will produce blue eyes?
BB
bb
Bb
10 321
If b is the recessive allele and codes for blue eyes, which of these genotypes will produce blue eyes?
bb
10 321