2015 Dna And Passing Genes Quiz printable pdf download

2015 Dna And Passing Genes Quiz

Name: _____________________________

What do I have to know to feel confident and prepared for the 2015 DNA and Passing Genes Quiz?

Remember when we . . Students should be able to . . .

Exceptions to Mendel’s Rules of Dominance

. . .when we learned about

1. Describe and provide an example of blood type as an exceptions to Mendel’s dominant overpowers

blood type as an exceptions to

recessive rule of inheritance

Mendel’s rule.

NOT COVERED ON THIS QUIZ

Codominance explains blood type genotypes. If you receive the type A allele and the type B allele for blood type, you

will have AB blood type because both alleles are dominant to the allele for type O.

Pedigree Charts

. . . used the example of

2. Look back at your pedigree chart notes and review the symbols and connections so you can find which

freckles and dimples to track

members of a family have a particular variation and the genotype of people in different generations of a

how variations are passed

family.

through multiple generations

Process for Finding Genotypes

Step 1 Draw the family chart

Step 2 Shade affected shapes

Step 3 Assign 2 recessive alleles for shaded ones

Step 4 Assign one dominant allele for UNshaded ones

Step 5 Determine second allele based on inheritance rules

3. Construct a pedigree chart for eye color for the family that donated their DNA for our electrophoresis lab.

Remember that Todd had light eyes, but his parents and sister and brother had dark eyes.

Mom

Dad

B b

John

Todd Ana

B ?

b b

B ?

2015 Dna And Passing Genes Quiz