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CATALYST TIME REMAINING: 7:00 MINUTES The CATALYST is to be done independently and silently. Answer the following questions in your notebook: 1. What is the relationship between genotype and phenotype? What is the relationship between dominant and recessive alleles? CATALYST TIME REMAINING: 6:00 MINUTES The CATALYST is to be done independently and silently. Answer the following questions in your notebook: 1. What is the relationship between genotype and phenotype? What is the relationship between dominant and recessive alleles? CATALYST TIME REMAINING: 5:00 MINUTES The CATALYST is to be done independently and silently. Answer the following questions in your notebook: 1. What is the relationship between genotype and phenotype? What is the relationship between dominant and recessive alleles? CATALYST TIME REMAINING: 4:00 MINUTES The CATALYST is to be done independently and silently. Answer the following questions in your notebook: 1. What is the relationship between genotype and phenotype? What is the relationship between dominant and recessive alleles? CATALYST TIME REMAINING: 3:00 MINUTES The CATALYST is to be done independently and silently. Answer the following questions in your notebook: 1. What is the relationship between genotype and phenotype? What is the relationship between dominant and recessive alleles? CATALYST TIME REMAINING: 2:00 MINUTES The CATALYST is to be done independently and silently. Answer the following questions in your notebook: 1. What is the relationship between genotype and phenotype? What is the relationship between dominant and recessive alleles? CATALYST TIME REMAINING: 1:00 MINUTES The CATALYST is to be done independently and silently. Answer the following questions in your notebook: 1. What is the relationship between genotype and phenotype? What is the relationship between dominant and recessive alleles? CATALYST Silently and on your own, complete the task below When you are finished, put your pencil down and look up. Remain silent to allow others to finish. Answer the following questions: 2. 3. What is the combination of inherited alleles? A. heterozygote B. phenotype C. genotype D. chromosome What is the expression of traits? A. phenotype B. genotype C. allele D. homozygous TIME REMAINING: 2:00 MINUTES CATALYST Silently and on your own, complete the task below When you are finished, put your pencil down and look up. Remain silent to allow others to finish. Answer the following questions: 2. 3. What is the combination of inherited alleles? A. heterozygote B. phenotype C. genotype D. chromosome What is the expression of traits? A. phenotype B. genotype C. allele D. homozygous TIME REMAINING: 1:00 MINUTES CATALYST The CATALYST is to be done independently and silently. Answer the following questions in your notebook: 1. What is the relationship between genotype and phenotype? What is the relationship between dominant and recessive alleles? CATALYST Silently and on your own, complete the task below When you are finished, put your pencil down and look up. Remain silent to allow others to finish. Answer the following questions: 2. 3. What is the combination of inherited alleles? A. heterozygote B. phenotype C. genotype D. chromosome What is the expression of traits? A. phenotype B. genotype C. allele D. homozygous HOMEWORK 1. Intro to Punnett Squares HW 2. Vocab Quiz Friday 3. Formative Friday Vocabulary Review: Vocabulary Review Trait: A characteristic (what you look like) Gene: A piece of DNA that controls a trait Allele: Version (type) of a gene Vocabulary Review Genotype: your genes for a trait Phenotype: your trait Dominant: ALWAYS shown (capital letter) Recessive: only shown with another recessive (lowercase letter) Vocabulary Review Heterozygous: two different alleles (Bb) Homozygous: two of the same allele (BB, bb) Review: Example 1 Green peas (G) are dominant to yellow peas (g) in pea plants. A heterozygous pea plant is crossed with a homozygous dominant pea plant. Green peas (G) are dominant to yellow peas (g) in pea plants. A heterozygous pea plant is crossed with a homozygous dominant pea plant. Step 1: write down Green dominant (G) = dominant; allele yellow (g) = recessive Step 2: make a genotype/phenotype table for the problem Green peas (G) are dominant to yellow peas (g) in pea plants. A heterozygous pea plant is crossed with a homozygous dominant pea plant. Genotype Phenotype Term GG green homozygous dominant Gg green heterozygous yellow homozygous recessive gg Green peas (G) are dominant to yellow peas (g) in pea plants. A heterozygous pea plant is crossed with a homozygous dominant pea plant. Step 3: Read problem and write down genotypes of the parents Parents: Gg X GG Green peas (G) are dominant to yellow peas (g) in pea plants. A heterozygous pea plant is crossed with a homozygous dominant pea plant. Step 4: solve the Punnett square Punnett Squares: Punnett squares let you predict the genotypes of the children In a Punnett Square, 1 parent’s alleles go on the top and the other parent’s alleles go on the left side Example: A man with the genotype Bb is crossed with a woman with the genotype BB Dad B b B BB Bb Mom B BB Bb Parents: Bb X BB Solving Punnett Squares: Brown eyes (B) is dominant to blue eyes (b): Dad B Mom b BB B BB Bb Bb B BB Bb bb 2/4 or 50% 2/4 or 50% 0/4 or 0% Brown eyes (B) is dominant to blue eyes (b): Dad B Mom b BB B BB Bb Bb b Bb bb bb 1/4 or 25% 2/4 or 50% 1/4 or 25% Brown eyes (B) is dominant to blue eyes (b): Dad B Mom b BB b Bb bb Bb b Bb bb bb 0/4 or 0% 2/4 or 50% 2/4 or 50% Phenotype Ratios: Phenotype: Your trait (what you look like) Brown eyes (B) is dominant to blue eyes (b): B b B BB Bb B BB Bb BB Bb bb 2/4 or 50% 2/4 or 50% 0/4 or 0% Brown: 100% Blue: 0% Brown eyes (B) is dominant to blue eyes (b): BB B b Bb B BB Bb bb b Bb bb 1/4 or 25% 2/4 or 50% 1/4 or 25% Brown: 75% Blue: 25% Brown eyes (B) is dominant to blue eyes (b): B b b Bb bb b Bb bb BB Bb bb 0/4 or 0% 2/4 or 50% 2/4 or 50% Brown: 50% Blue: 50% EXIT TICKET Red flowers (R) are dominant to white flowers (r) in roses. A homozygous dominant rose is crossed with a homozygous recessive rose. 1. Write down the alleles 2. Complete the genotype/phenotype table Genotype Phenotype Term EXIT TICKET Red flowers (R) are dominant to white flowers (r) in roses. A homozygous dominant rose is crossed with a homozygous recessive rose. 3. Parents: ______ x ______ 4. Solve the Punnett square 5. Provide the genotype %s and phenotype %s: RR: red roses: Rr: white roses: rr:
