Genes Traffic lights quiz Hold up the coloured card that matches the correct answer you see on the screen

1
GenesTraffic lights quizHold up the coloured
card that matches the correct answer you see on
the screen
2
Which is the smallest?
2
1
3
1

• DNA
• Chromosome
• Gene

3
Which is the smallest?
2
1
3
1

• Gene

4
How many chromosomes do humans have?
2
1
3
2

• 22 pairs
• 23 pairs
• 33 pairs

5
How many chromosomes do humans have?
2
1
3
2

• 23 pairs

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What are genes?
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1
3
3

• Long lines of DNA that codes for all of our
  characteristics
• Short lines of DNA that code for one
  characteristic
• Found in the cytoplasm

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What are genes?
2
1
3
3

• Short lines of DNA that code for one
  characteristic

8
How many alleles of the same gene do we have?
2
1
3
4

• 1
• 2
• 3

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How many alleles of the same gene do we have?
2
1
3
4

• 2

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DNA is found in
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1
3
5

• The cytoplasm
• The cell membrane
• The nucleus

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DNA is found in
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1
3
5

• The nucleus

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Genotype is
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1
3
6

• The characteristic e.g. eye colour
• The combination of alleles
• The protein that is made by the gene

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Genotype is
2
1
3
6

• The combination of alleles

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Phenotype is
2
1
3
7
The characteristic e.g. eye colour The
combination of alleles The protein that is made
by the gene
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Phenotype is
2
1
3
7
The characteristic e.g. eye colour
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A dominant allele will
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1
3
8

• Show when you only have one copy of it
• Show only when you have 2 copies of it
• Only show in the next generation

17
A dominant allele will
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1
3
8

• Show when you only have one copy of it

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Which one is the homozygous genotype?
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1
3
9

• Bb
• bB
• BB

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Which one is the homozygous genotype?
2
1
3
9

• BB

20
If b is the recessive allele and codes for blue
eyes, which of these genotypes will produce blue
eyes?
2
1
3
10

• BB
• bb
• Bb

21
If b is the recessive allele and codes for blue
eyes, which of these genotypes will produce blue
eyes?
2
1
3
10

• bb