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