Homework Answers
note- degree of freedom
(dof) = n-1, where n= number of observed phenotypes.
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1. In a cross between two pure-breeding varieties of radish, one with red and the other...
CONTENT QUESTIONS (answer these for credit) 1. In an experiment to trace the inheritance of two...
CONTENT QUESTIONS (answer these for credit) 1. In an experiment to trace the inheritance of two traits in pea plants, a researcher decided to look at height, which is controlled by two alleles. The dominant allele T produces a tall plant while the recessive allele t produces a short plant. Flower color is controlled by one gene with two alleles as well. The dominant allele P produces purple flowers, and the recessive p produces white flowers. If the female parent...
(blue and red of the wild type pathways shown 5.(9.5 points) Hagrid has introduced a new...
(blue and red of the wild type pathways shown 5.(9.5 points) Hagrid has introduced a new course at Hogwarts: Genetics of a Through their experiments, the fifth years have discovered that flobberw in years have discovered that flobberworms are normally purple, with pigmentation controlled by mixing the end products (blue and red of the wild type below). Through genetic experiments, they've discovered that the step su genetic experiments, they've discovered that the steps of the pathways are controlled by 3...
6) You cross two pure-breeding strains of peas, one with white flowers and the other with...
6) You cross two pure-breeding strains of peas, one with white flowers and the other with purple flowers. All progeny (FI) from this cross have purple flowers. You cross two F1 individuals, harvest the F2 seeds, and plant a row of twelve (12) seeds in your Aunt Mabel's front yard to improve the landscaping. A) What is the probability that out of the ten (10) total plants, any five (5) of the 12 will have white flowers and any seven...
In a certain plant, a dominant allele for one gene, R, produces round fruit and the...
In a certain plant, a dominant allele for one gene, R, produces round fruit and the recessive allele, r, produces oblong fruit. A dominant allele of a second gene, Y, produces yellow flowers and the recessive allele, y, produces white flowers. The two genes are linked on chromosome IV. A plant ( ry / ry ) with normal chromosomes is crossed to a plant (R Y/R Y) homozygous for a reciprocal translocation between chromosomes IV and VIII. The presence of...
6. In Cross 1, a yellow eyed, long wing fruit fly from a pure breeding strain...
6. In Cross 1, a yellow eyed, long wing fruit fly from a pure breeding strain is mated to a red eye, short wing fruit fly from a pure breeding strain. All of their offspring (F1) had red eyes and long wings. In Cross 2, one of the F1 offspring is mated to a fly with yellow eyes and short wings, and this cross gave the following F2 population: 194 flies with long wings and red eyes, 796 flies with...
2. Fruit color in eggplants is controlled by a single autosomal gene, R, with two alleles...
2. Fruit color in eggplants is controlled by a single autosomal gene, R, with two alleles R and r. When a homozygous plant that produces purple fruit (RR) is crossed with a homozygous plant that produces white fruit (rr), all F1 offspring produce violet eggplants. When the F1 progeny are testcrossed, the F2 progeny produce 160 violet eggplants, and 154 white eggplants. Design a hypothesis for the mode of inheritance of eggplant color (explicitly state your null and alternate hypotheses)....
Help Center 07 Question 38 What phenotypic ratio of offspring would result from a cross between...
Help Center 07 Question 38 What phenotypic ratio of offspring would result from a cross between a white-eyed male fruit fly, and a female that is heterozygous for red eye color? (See Chapter 8.3 Figure your e Text) 2 white-eyed females 2 red-eyed males V none of these 2 red-eyed female 1 white-eyed female: 1 red-eyed male: 2 white-eyed male 1 red-eyed female 1 white-eyed female 1 red-eyed male: 1 white-eyed male 2 red-eyed females: 2 white-eyed males Question 39...
You are working with an ornamental fish that shows two color phenotypes, red or blue. The...
You are working with an ornamental fish that shows two color phenotypes, red or blue. The color is controlled by a single gene. These fish are hermaphrodites-meaning they can either (1) self-fertilize or (2) mate with another fish. You have three fish: fish 1, fish 2, and fish 3. While working further with this fish, you discover one other mutation (in a different gene) that leads to the recessive phenotype of long dorsal fins. Further research establishes that the genes...
Question 1 (1 point) In a species of flowering plant, petal color is determined by one...
Question 1 (1 point) In a species of flowering plant, petal color is determined by one gene with two alleles, R and W. Individuals homozygous for allele R have red petals, and those homozygous for allele Whave white petals. Ris dominant to W. You cross a pure- breeding red flowered plant with a pure-breeding white flowered plant to create an F1 generation. You then cross two individuals from the F1 generation to create an F2 generation. What proportion of the...
You cross two strains of yeast, one with red colonies and ethanol-sensitive and the other with...
You cross two strains of yeast, one with red colonies and ethanol-sensitive and the other with white colonies and ethanol-resistant. It is known that the color gene and the resistance genes are linked and located 20 cm apart. List the three types of asci you expect to observe in the meiosis of this hybrid (draw them out) with the genotype of all 4 spores in each. Which one will be the most and which will be the least common and...
CONTENT QUESTIONS (answer these for credit) 1. In an experiment to trace the inheritance of two traits in pea plants, a researcher decided to look at height, which is controlled by two alleles. The dominant allele T produces a tall plant while the recessive allele t produces a short plant. Flower color is controlled by one gene with two alleles as well. The dominant allele P produces purple flowers, and the recessive p produces white flowers. If the female parent...
(blue and red of the wild type pathways shown 5.(9.5 points) Hagrid has introduced a new course at Hogwarts: Genetics of a Through their experiments, the fifth years have discovered that flobberw in years have discovered that flobberworms are normally purple, with pigmentation controlled by mixing the end products (blue and red of the wild type below). Through genetic experiments, they've discovered that the step su genetic experiments, they've discovered that the steps of the pathways are controlled by 3...
6) You cross two pure-breeding strains of peas, one with white flowers and the other with purple flowers. All progeny (FI) from this cross have purple flowers. You cross two F1 individuals, harvest the F2 seeds, and plant a row of twelve (12) seeds in your Aunt Mabel's front yard to improve the landscaping. A) What is the probability that out of the ten (10) total plants, any five (5) of the 12 will have white flowers and any seven...
In a certain plant, a dominant allele for one gene, R, produces round fruit and the recessive allele, r, produces oblong fruit. A dominant allele of a second gene, Y, produces yellow flowers and the recessive allele, y, produces white flowers. The two genes are linked on chromosome IV. A plant ( ry / ry ) with normal chromosomes is crossed to a plant (R Y/R Y) homozygous for a reciprocal translocation between chromosomes IV and VIII. The presence of...
6. In Cross 1, a yellow eyed, long wing fruit fly from a pure breeding strain is mated to a red eye, short wing fruit fly from a pure breeding strain. All of their offspring (F1) had red eyes and long wings. In Cross 2, one of the F1 offspring is mated to a fly with yellow eyes and short wings, and this cross gave the following F2 population: 194 flies with long wings and red eyes, 796 flies with...
2. Fruit color in eggplants is controlled by a single autosomal gene, R, with two alleles R and r. When a homozygous plant that produces purple fruit (RR) is crossed with a homozygous plant that produces white fruit (rr), all F1 offspring produce violet eggplants. When the F1 progeny are testcrossed, the F2 progeny produce 160 violet eggplants, and 154 white eggplants. Design a hypothesis for the mode of inheritance of eggplant color (explicitly state your null and alternate hypotheses)....
Help Center 07 Question 38 What phenotypic ratio of offspring would result from a cross between a white-eyed male fruit fly, and a female that is heterozygous for red eye color? (See Chapter 8.3 Figure your e Text) 2 white-eyed females 2 red-eyed males V none of these 2 red-eyed female 1 white-eyed female: 1 red-eyed male: 2 white-eyed male 1 red-eyed female 1 white-eyed female 1 red-eyed male: 1 white-eyed male 2 red-eyed females: 2 white-eyed males Question 39...
You are working with an ornamental fish that shows two color phenotypes, red or blue. The color is controlled by a single gene. These fish are hermaphrodites-meaning they can either (1) self-fertilize or (2) mate with another fish. You have three fish: fish 1, fish 2, and fish 3. While working further with this fish, you discover one other mutation (in a different gene) that leads to the recessive phenotype of long dorsal fins. Further research establishes that the genes...
Question 1 (1 point) In a species of flowering plant, petal color is determined by one gene with two alleles, R and W. Individuals homozygous for allele R have red petals, and those homozygous for allele Whave white petals. Ris dominant to W. You cross a pure- breeding red flowered plant with a pure-breeding white flowered plant to create an F1 generation. You then cross two individuals from the F1 generation to create an F2 generation. What proportion of the...
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