Melanin Storyline Review: Natural Selection/Inheritance/Proteins

Individuals with favorable traits survive, reproduce, and pass their traits onto their offspring.  This is called

• Mutation
• Adaptation
• Evolution
• Natural Selection

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Why is the mouse population changing over time?

• The light mice can reproduce more successfully than the dark mice
• The hawks eat more dark mice than light mice because the dark mice taste better
• The hawks eat more light mice than dark mice because they can see the light mice more easily
• The hawks eat more dark mice than light mice because they can see the dark mice more easily

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Do organisms "decide" to evolve and change?

• Yes, they know they need to change to survive 
• No, they change because of natural selection

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Since the 1800s humans have stopped burning coal, and the trees have returned to their original color. Which moth will be more successful in this environment?

• Dark moth
• Light moth
• Both will be equally successful
• Neither will be successful

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Why are advantageous traits more likely to be passed onto offspring?

• Because organisms with those traits are more likely to survive and reproduce.
• Because they come from dominant alleles.
• Because they come from recessive alleles.
• Because the trait is an acquired (learned) phenotype.

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For natural selection to impact evolution, which condition is not required?

• selection pressures
• inheritance of traits
• genetic variation within a population
• each population occupies its own niche

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How many kids did the mother and father from the first generation have?

• 2
• 4
• 5
• 6

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Is this trait (the shaded individuals) dominant or recessive?

• dominant
• recessive

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In this pedigree, the shading represents people in the family with dark hair while the unshaded represents blondes. Is dark hair controlled by a dominant or recessive allele?

• Dominant

• Recessive

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T - tall and t = short
In the punnett square below, what belongs in the missing square

• tt
• Tt
• Bb
• TT

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