6. In corn plants, long ears (of corn!) are dominant over short ears. What is the chance of a long-eared offspring if two heterozygous parents are crossed? 6 of 11 Allele and Phenotype All Genotype and Phenotype Possibilities Parent Genotypes Punnett Square Answer Letter Phenotype Genotype Phenotype Dad Mom

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H T 7. Here is a cow genetic map: H= French horns h h = English horns C = chews cud c = swallows cud whole T= has tender meat; tastes good t = likes expensive watches; has good taste 40 cM Capital letters and small letters represent dominant and recessive, respectively, as usual. If this cow is test crossed, what % of the calves will be dominant for all 3 genes (has French horns, chews cud, and tastes good)? SHOW WORK.

4. please answer this

Part 2. Do one more example of a monohybrid cross. This time assign the letter "B" for onion taste. Being sweet is dominant controlled by allele (B) and being bitter is recessive-controlled by allele (b). Cross individuals who are both heterozygous for this trait. 5. What is the genotype of each of these heterozygous individuals? 6. What is the phenotype of these heterozygous individuals? Complete the Punnett square below using the alleles you just listed. 7. What are the resulting genotypes and their ratios or %? 8. What are the resulting phenotypes and their ratios or %? Figure 3. Monohybrid Cross for Onion Taste. 103

3.In guinea pigs, short hair is dominant over long hair. If a short haired SS guinea pig is crossed with a long haired ss guinea pig, what are the possible genotypes and phenotypes of their offspring and the percent chance of each? Fill in the table: Genotype Phenotype Chance

4) In tomatoes, round shape (R) is dominant to pear shape (r). A student crossed a plant that had round tomatoes with a plant that had pear-shaped tomatoes and obtained the data below. What are the genotypes of the plants that were crossed. Briefly explain your answer. Phenotype Number of Offspring Round tomatoes 36 Pear-shaped tomatoes 34

D F G 5. A wrinkle-seeded plant (rr) is crossed with a round-seeded plant (Rr). Wrinkle-Seeded Plant Phenotype Probability (%) Round Seeds: Wrinkled Seeds: to round ears. A homozvaous recessive cat Round-Seeded Plant

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2. Cross a Brown and White Spotted Cow with a White Cow. What is the percentage of the genotype and phenotype of the offspring? What type of punnett square will you be using for this cross? Codomnent BB WW Parents: Genotypes: P1 x P2 Offspring: Genotype: Phenotype: