Genetics Genetics Unit Assessment

Entry Task: Is the trait shown in this pedigree more likely to be dominant or recessive? How do you know? Have Out: Should We? Letter

In Pairs: Take turns reading your ruling letters Audience: Look for the two (unique) pieces of evidence

Everyone: Get  one small white board  One white board marker  One piece of paper towel to act as an eraser

Review Question 1 Would the trait (dark symbols) traced in this pedigree most likely be dominant or recessive? How do you know?

Review Question 2 The dark symbols have blue eye color. The light symbols have brown eye color What genotype(s) would produce the blue eye trait? What genotype(s) would produce the brown eye trait?

Review Question 3 What genotype(s) represent homozygous alleles? What genotype(s) represent heterozygous alleles?

Review Question 4 Based on the pedigree, what genotype do you expect person 1 to have? What genotype would you expect person 2 to have? 1 2

Review Question 5 Imagine two people with the same genotypes as person 1 & person 2 are considering having children. Use a punnett square to predict the eye color of their offspring. Show the punnett square Identify the percent of children with each eye color. 1 2

Genetics Unit Quiz Clear Desk of all but a pencil / eraser After Quiz, visit Select “I’m a Student” Add Code: 7436-Kitten Complete first assignment & explore!