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A dihybrid cross between a plant homozygous for...
The phenotype of vestigial (short) wings (vg) in Drosophila melanogaster is caused by an autosomal recessive...
The phenotype of vestigial (short) wings (vg) in Drosophila melanogaster is caused by an autosomal recessive mutant allele that independently assorts with an autosomal recessive mutant allele for hairy (h) body. A parental cross was made between a fly that is homozygous for normal wings with a hairy body and a fly with vestigial wings that is homozygous for normal body hair. The wild-type F1 flies were crossed to each other and produced 1536 offspring. The phenotypes of the F2...
The phenotype of vestigial (short) wings (vg) in Drosophila melanogaster is caused by an autosomal recessive...
The phenotype of vestigial (short) wings (vg) in Drosophila melanogaster is caused by an autosomal recessive mutant allele that independently assorts with an autosomal recessive mutant allele for hairy (h) body. A parental cross was made between a fly that is homozygous for normal wings with a hairy body and a fly with vestigial wings that is homozygous for normal body hair. The wild-type F1 flies were crossed to each other and produced 1536 offspring. The phenotypes of the F2...
Question 12 only. Punnett's square analysis for the parental cross r Rr Rr 9) If we...
Question 12 only.
Punnett's square analysis for the parental cross r Rr Rr 9) If we used the above offspring (F1) in a new cross, what would be the genotypes and phenotypes of the offspring of the Fz generation? 10) What is the genotypic ratio of the F2 generation? 11) What is the phenotypic ratio of the F2 generation? 12) What would be the genotypic and phenotypic ratios of offspring from a cross between a homozygous recessive parent (r r)...
Complete a dihybrid cross between a pea plant (plant 1) with white flowers and wrinkled seeds...
Complete a dihybrid cross between a pea plant (plant 1) with white flowers and wrinkled seeds with a plant (plant 2) with purple flowers and round seeds. Fill in the Punnett square between Plant 1 and Plant 2. Plant 2 is heterozygous for flower color and homozygous for seed color. What are the phenotypic ratios of the F1 generation? Phenotypes: purple flowers with round seeds: purple flowers with wrinkled seeds: white flowers with round seeds: white flowers with wrinkled seeds:...
6. In a plant, long stemmed leaves (L.) are dominant to short stemmed leaves (1). If...
6. In a plant, long stemmed leaves (L.) are dominant to short stemmed leaves (1). If true- breeding long stemmed leaves are crossed to short stemmed leaves, what are the expected genotypes and phenotypes of the Fl and F2 offspring? 10 points Using the letter L or I, what is the genotype for the long stemmed parent? What is the genotype for the short stemmed parent? What are the Parental Gametes? Long stem parent gamete a. b. c. Short stem...
Dihybrid Punnett Square Practice Problems Directions: Answer the questions that follow in your science notebook. For...
Dihybrid Punnett Square Practice Problems Directions: Answer the questions that follow in your science notebook. For a particular plant, the allele for tall (T) is dominant over the allele for short (t). For the same plant, the allele for colored flowers (G is dominant over white flowers (c). A farmer as shown in the Punnett Parent 1 TtC 2. For a particular rodent, black fur (B) is dominant over brown fur (b), and a long tail (L) is dominant over...
A cross was made between two strains of plants that are agriculturally important. One strain was...
A cross was made between two strains of plants that are agriculturally important. One strain was disease-resistant but herbicide-sensitive; the other strain was disease-sensitive but herbicide- resistant. A plant breeder crossed the two plants and then allowed the F1 generation to self-fertilize. The following data were obtained: F1 generation: All offspring were disease sensitive and herbicide resistant. F2 generation: 170 disease sensitive, herbicide resistant 60 disease sensitive, herbicide sensitive 44 disease resistant, herbicide resistant 10 disease resistant, herbicide sensitive Formulate...
2. A Pea plant that is Homozygous Dominant for purple flower color and Heterozygous for dark...
2. A Pea plant that is Homozygous Dominant for purple flower color and Heterozygous for dark green leaves is crossed with another pea plant that is Heterozygous for both purple flower color and dark green leaves Let R = Purple flower color and r = white flower color Let D = Dark Green leaves and d = light green leaves Data Collection/Selection Using the information above, write the parent genotypes and gametes. Not all blanks may be used. Parent Genotypes:...
4. Diagram the dihybrid cross in maize. (2.5) a. Use C for purple and c for...
4. Diagram the dihybrid cross in maize. (2.5) a. Use C for purple and c for yellow, use S for starchy and s for sweet b. Include P1 genotypes and phenotypes C. Include F1 genotypes and phenotypes d. Include F2 genotypes, phenotypes, and phenotypic ratio
In cucumbers, green color (W) is dominant over yellow color (w) and spiked cucumbers (D) are...
In cucumbers, green color (W) is dominant over yellow color (w) and spiked cucumbers (D) are dominant over smooth cucumbers (d). A cucumber plant true-breeding for green, spiked cucumbers is crossed with a plant true-breeding for yellow, smooth cucumbers. 1. What will the phenotypes and genotypes of the F1 generation be? 2. If the above F1 progeny are self-crossed, what ratio of the F2 offspring will be: WwDd wwDd WWDD wwDD 3. What ratio will have green spiked cucumbers? 4....
Question 12 only.
Punnett's square analysis for the parental cross r Rr Rr 9) If we used the above offspring (F1) in a new cross, what would be the genotypes and phenotypes of the offspring of the Fz generation? 10) What is the genotypic ratio of the F2 generation? 11) What is the phenotypic ratio of the F2 generation? 12) What would be the genotypic and phenotypic ratios of offspring from a cross between a homozygous recessive parent (r r)...
6. In a plant, long stemmed leaves (L.) are dominant to short stemmed leaves (1). If true- breeding long stemmed leaves are crossed to short stemmed leaves, what are the expected genotypes and phenotypes of the Fl and F2 offspring? 10 points Using the letter L or I, what is the genotype for the long stemmed parent? What is the genotype for the short stemmed parent? What are the Parental Gametes? Long stem parent gamete a. b. c. Short stem...
Dihybrid Punnett Square Practice Problems Directions: Answer the questions that follow in your science notebook. For a particular plant, the allele for tall (T) is dominant over the allele for short (t). For the same plant, the allele for colored flowers (G is dominant over white flowers (c). A farmer as shown in the Punnett Parent 1 TtC 2. For a particular rodent, black fur (B) is dominant over brown fur (b), and a long tail (L) is dominant over...
A cross was made between two strains of plants that are agriculturally important. One strain was disease-resistant but herbicide-sensitive; the other strain was disease-sensitive but herbicide- resistant. A plant breeder crossed the two plants and then allowed the F1 generation to self-fertilize. The following data were obtained: F1 generation: All offspring were disease sensitive and herbicide resistant. F2 generation: 170 disease sensitive, herbicide resistant 60 disease sensitive, herbicide sensitive 44 disease resistant, herbicide resistant 10 disease resistant, herbicide sensitive Formulate...
4. Diagram the dihybrid cross in maize. (2.5) a. Use C for purple and c for yellow, use S for starchy and s for sweet b. Include P1 genotypes and phenotypes C. Include F1 genotypes and phenotypes d. Include F2 genotypes, phenotypes, and phenotypic ratio
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