Homework Answers
The mode of inheritance of frog skin pigmentation is Dominant epistatis. In Domonant epistatis one dominant gene masks the expression of another gene. The second gene can express her character only in the absence of first dominant gene. so, the ration will be 12 : 3: 1.
Find the below cross for explanation
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QUIZ 6 The green color of a type of frog is the combination of a blue...
Question 2b) You are studying a flowering plant that produces remarkable bright green flowers in its...
Question 2b) You are studying a flowering plant that produces remarkable bright green flowers in its wild type. Your colleagues have discovered two new mutant lines of this plant. One new line breeds true for a yellow flower color. Another new line breeds true for a blue flower color. Your group does the following crosses and makes these observations: yellow X green ⇒ F1 is all green ⇒ F2 75% green and 25% yellow blue X green ⇒ F1 is...
12. In the fruit of summer squash the absence of color is dominant to color. Colored fruit may be yellow (dom.) or green (rec.). What would you get if you mated a homozygous white, carrying the g...
12. In the fruit of summer squash the absence of color is dominant to color. Colored fruit may be yellow (dom.) or green (rec.). What would you get if you mated a homozygous white, carrying the genes for green color to a homozygous yellow squash? Cross the F1 to obtain an F2
12. In the fruit of summer squash the absence of color is dominant to color. Colored fruit may be yellow (dom.) or green (rec.). What would you get...
In a certain bean, two genes control seed color (A & B). You cross a true...
In a certain bean, two genes control seed color (A & B). You cross a true breeding white parent and a true breeding green parent to get an all green F1. You then self the F1 and get 45 green offspring, 15 yellow offspring, and 20 white offspring. Show the genotypes of the F2 and the original parents. What kind of gene interaction is this?
Color First Peck Frequency Blue 16 Green 9 Yellow 6 Red 3 Birds use color to...
Color First Peck Frequency Blue 16 Green 9 Yellow 6 Red 3 Birds use color to select and avoid certain types of food. The authors of a particular article studied the pecking behavior of 1-day-old bobwhites. In an area painted white, they inserted four pins with different colored heads. The color of the pin chosen on the bird's first peck was noted for each of 34 bobwhites, resulting in the accompanying table. Do these data provide evidence of a color...
You cross two crows, one with yellow legs, and the other with green legs. All of...
You cross two crows, one with yellow legs, and the other with green legs. All of the F1 offspring have purple legs. Leg pigment is produced by the pathway in Fig.3, where the dominant alleles (Y and G) produce functional versions of enzymes Y and G, and the recessive alleles (y and g) produce nonfunctional enzymes. What genotype frequencies do you expect to see in the F2 generation? O all purple 9 green: 3 purple: 3 yellow 9 purple: 3...
A horticulturist sought to test the hypothesis that flower bolor in the plant blue-eyed Mary Collins...
A horticulturist sought to test the hypothesis that flower bolor in the plant blue-eyed Mary Collins parviflorais controlled by a single gone locus where paired alles have a dominant-recessive relationship. The horticulturist crossed two plants that produced flowers of different colors, white and magenta, which he believed were true breeding The horticulturist observed that all of the plants resulting from his cross produced blue flowers. When the horticulturist crossed the F1 plants with each other he obtained the following F2...
(1) The hardy geranium, Geranium lanuginosum, is native to the Himalayas and is widely cultivated due...
(1) The hardy geranium, Geranium lanuginosum, is native to the Himalayas and is widely cultivated due to its brilliant blue flowers, but flowers can be dark blue, light blue, speckled blue, and white. You have identified 2 genes involved in flower color. The alabaster gene catalyzes the conversion of a colorless precursor into a light blue pigment. The amount of pigment that is produced is determined by the number of functional copies of the alabaster gene. Normally, the pigment is...
(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...
1. What would be the phenotype for each of the following birds, including their gender? Color...
1. What would be the phenotype for each of the following birds, including their gender? Color Gender Bb ZZi: - bb ZiZi: - BB ZZ: - bb ZW: - Bb ZiW: - 2. Using the phenotypes of the parents and of the progeny given in table 1, determine the genotype of each parent in the first nest. Male Female 3. Using the phenotypes of the parents and of the progeny given in table 2, determine the genotype of each parent...
Experimental technique: Reciprocal crosses
1)When Gregor Mendel conducted his genetic experiments with pea plants, he observed that a trait’s inheritance pattern was the same regardless of whether the trait was inherited from the maternal or paternal parent. Mendel made these observations by carrying out reciprocal crosses: For example, he first crossed a female plant homozygous for yellow seeds with a male plant homozygous for green seeds and then crossed a female plant homozygous for green seeds with a male plant homozygous for yellow seeds.Unlike...
12. In the fruit of summer squash the absence of color is dominant to color. Colored fruit may be yellow (dom.) or green (rec.). What would you get if you mated a homozygous white, carrying the genes for green color to a homozygous yellow squash? Cross the F1 to obtain an F2
12. In the fruit of summer squash the absence of color is dominant to color. Colored fruit may be yellow (dom.) or green (rec.). What would you get...
You cross two crows, one with yellow legs, and the other with green legs. All of the F1 offspring have purple legs. Leg pigment is produced by the pathway in Fig.3, where the dominant alleles (Y and G) produce functional versions of enzymes Y and G, and the recessive alleles (y and g) produce nonfunctional enzymes. What genotype frequencies do you expect to see in the F2 generation? O all purple 9 green: 3 purple: 3 yellow 9 purple: 3...
A horticulturist sought to test the hypothesis that flower bolor in the plant blue-eyed Mary Collins parviflorais controlled by a single gone locus where paired alles have a dominant-recessive relationship. The horticulturist crossed two plants that produced flowers of different colors, white and magenta, which he believed were true breeding The horticulturist observed that all of the plants resulting from his cross produced blue flowers. When the horticulturist crossed the F1 plants with each other he obtained the following F2...
(1) The hardy geranium, Geranium lanuginosum, is native to the Himalayas and is widely cultivated due to its brilliant blue flowers, but flowers can be dark blue, light blue, speckled blue, and white. You have identified 2 genes involved in flower color. The alabaster gene catalyzes the conversion of a colorless precursor into a light blue pigment. The amount of pigment that is produced is determined by the number of functional copies of the alabaster gene. Normally, the pigment is...
(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...
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