Lessons in Genetics

Mutations can benefit humans because they can:

• Cause illness

• Make an organism more suited to live in its environment.

• Make organisms live shorter lives

• Cause organisms to grow extra limbs.

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Mutations are SOMETIMES helpful to the organism.

• true

• false

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Chromosomes are made of

• DNA

• genes

• proteins

• traits

Which one is a chromosome?

• A

• B

• C

• D

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Which one is DNA?

• A

• B

• C

• D

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Selective breeding is...

• a process to create an organism with desired traits from parents with those desired traits

• natural method of producing offspring with desired traits

• creating a new species

• making organisms reproduce during times of stress

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Who is the Father of Genetics?

• Gregor Mendel

• Charles Darwin

• Isaac Newton

• Albert Einstein

The way a trait is expressed or appears. How it looks.

• Allele

• Phenotype

• Chromosome

• Genotype

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What are the possible phenotypes from this cross?

• 100% Gg

• 50% green

  50% yellow

• 100% yellow

• 50% Gg

  50% gg

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

• tt

• Tt

• Bb

• TT

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