Alleles, Genes, Homozygous Heterozygous traits

Alleles come in two forms:

• Dominant

  Recessive

• Dominant

  Codominant

• Recessive

  Codominant

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Genotype means?

• The way genes combine

• The trait you can see

• Condensed form of DNA

Phenotype means what?

• The way genes combine

• Is the traits you can see on offspring

• Condensed form of DNA

How are alleles inherited?

• From the mother only

• From the father only

• From both parents

• Randomly from the environment

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different forms of a gene

• big or little

• simple or complex

• alleles

• codominant

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What is an allele?

• A gene

• A form of a gene

• A type of chromosome

• A mutation in a gene

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What is the ratio of the dominant Phenotype (how they look) vs the recessive phenotype?

• 2:1

• 3:1

• 1:1

• 1:2

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How do we calculate the Genotype and Phenotype in offspring?

• Using a ruler

• Using DNA tests

• Using a Punnett Square

• I just guess

How many kids will have brown eyes?

• 2

• 3

• 1

• 4

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Which Phenotype (trait) is dominat?

• Brown eyes

• Blue eyes

• Neither

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