Genes, Alleles & Punnett Squares | Baamboozle - Baamboozle

What happens when a dominant allele is present? 1- Never expressed 2-Always expressed

2- Always expressed

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Give an example of a homozygous recessive genotype. LETTERS

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If a plant has alleles T and t for height, what does each allele represent? T is for what and t is for what?

T = tall, t = short

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Does a Punnett square predict exact offspring, or probabilities?

Probabilities

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If an organism’s genotype is Tt, is it heterozygous or homozygous?

Heterozygous

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banana

Go to last place!

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star

Double points!

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rocket

Go to first place!

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baam

Lose 20 points!

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Can a heterozygous individual pass on a recessive allele? yes or no

Yes

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Can two organisms have the same phenotype but different genotypes? yes or no explain

Yes — BB and Bb both produce the same dominant trait

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How do you write a genotype for a recessive trait?

Using two lowercase letters, e.g. bb

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trap

No points!

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shark

Other team loses 10 points!

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gift

Win 20 points!

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thief

Give points!

Which is visible — genotype or phenotype?

Phenotype

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How many copies of each gene do you inherit? a- 23. b-1. c.4. d.2

d. 2 — one from each parent

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Why does a heterozygous individual show the dominant trait? 1- The dominant allele masks the recessive allele 2- The recessive allele is not present

1- The dominant allele masks the recessive one

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boom

Lose 50 points!

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fairy

Take points!

shark

Other team loses 20 points!

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baam

Lose 5 points!

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If a child shows a recessive trait, what do we know about the parents? 1- Both parents have dominant alleles 2- Both both carried at least one recessive allele

2-They both carried at least one recessive allele

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Give an example of two alleles for eye colour. Use letters and explain them.

Brown (B) and blue (b)

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