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Bell Ringer. Name the three ways in which phenotype can be affected by the environment. This week so far we have discussed……. Today I can describe dominate and recessive traits. What is genetics?. The study of heredity developed into a science. What is an allele?

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bell ringer

Bell Ringer

Name the three ways in which phenotype can be affected by the environment.

slide3

Today

  • I can describe dominate and recessive traits.
slide4

What is genetics?

The study of heredity developed into a science

slide5

What is an allele?

    • The different forms of a gene
compare dominant and recessive
Compare dominant and recessive
  • Dominant- will show their affect on phenotype whenever they are present
  • Recessive—will only show their affect when two of them for a trait are present in the genotype.
punnet square
Punnet square
  • Look at page 47
  • Lets walk thru this problem
  • Practice Problems