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4. In the genetic study of the color of the hull in oat seeds, it was...
10.) Tatuo Aida investigated the genetic basis of color variation in the Medaka (Aplocheilus latipes), a...
10.) Tatuo Aida investigated the genetic basis of color variation in the Medaka (Aplocheilus latipes), a small fish that occurs naturally in Japan (T. Aida. 1921. Genetics 6:554 573). Aida found that genes at two loci (B, b and R, r) determine the color of the fish: Fish with a dominant allele at both loci (B_R_ are brown, fish with a dominant allele at the B locus only (B_rr) are blue, fish with a dominant allele at the R locus...
1.Certain characteristics, like coat color in many animals, is influenced by multiple genes. The phenomenon during...
1.Certain characteristics, like coat color in many animals, is influenced by multiple genes. The phenomenon during which the presence of a homozygous recessive genotype at one locus "overrides" or masks the phenotype that would otherwise be produced by the alleles at another locus (regardless of whether they are dominant or recessive) is called: pleiotropy codominance Punnett effect recessive Epistasis 2. Which of the following would be considered a pleiotropic gene? A gene that-along with several others-influences a single phenotype, such...
Q1. Based on a 2014 report from a consortium called GIANT (Genetic Investigation of Anthropometric Traits),...
Q1. Based on a 2014 report from a consortium called GIANT (Genetic Investigation of Anthropometric Traits), it has been reported that there are at least 424 genes that contribute to determining the polygenic trait, height, in humans. Assuming there are two alleles for each gene, how many unique phenotypes would be generated? U ow 424 425 848 849 6.023 x 10 Q2. In fruit flies, the y+ and ct+ genes are located on the X chromosome. Grey body color is...
In rabbits, one enzyme (the product of a functional gene A) is needed to produce a...
In rabbits, one enzyme (the product of a functional gene A) is needed to produce a substance required for hearing. Another enzyme (the product of a functional gene B) is needed to produce another substance required for hearing. The genes responsible for the two enzymes are not linked. Individuals homozygous for either one or both of the nonfunctional recessive alleles, a or b, are deaf. If two rabbits (both heterozygous for both genes are mated), what phenotypes and what phenotypic...
Suppose that the " fabulous " phenotype is controlled by two independent genes, A and B,...
Suppose that the " fabulous " phenotype is controlled by two independent genes, A and B, as shown in the diagram below. Allele A encodes a functional enzyme 1, which converts " lain " to " smashing ". The recessive allele a encodes a nonfunctional Enzyme 1. Allele B encodes a functional Enzyme 2, which converts " smashing " to " fabulous ". The recessive allele B encodes a functional and B genes are both autosoaml and assort independently. A...
Evaluating your phenotypes and genotypes and testing a genetic hypothesis in corn There are two activities...
Evaluating your phenotypes and genotypes and testing a genetic hypothesis in corn There are two activities in this write up. In the first, you will evaluate your phenotypes and genotypes and relate them to parental phenotypes and genotypes. In the second, you will test a hypothesis using a monohybrid cross in corn and carry out a Chi-squared analysis. For the write up, please copy and paste the remaining part of the Lab document into a new document, then fill in...
A tomato plant heterozygous for stem color and fasciation (the dominant alleles linked on the same...
A tomato plant heterozygous for stem color and fasciation (the dominant alleles linked on the same chromosome) is pollinated by a plant heterozygous for stem color and homozygous recessive for fasciation (that is nonfasciated). 29. What alleles will the sperm carry?_ What alleles will the eggs carry? 30. What are the genotypes of the progeny? What are the phenotypes of the progeny? 31. If the dominant alleles for stem color and fasciation are commonly located on the same chromosome, how...
Assume that tail length in mice is a quantitative trait involving two genes, each with 2...
Assume that tail length in mice is a quantitative trait involving two genes, each with 2 alleles. One allele at each gene contributes to long tails, the other allele at each gene does not (small tails). The genes are located on different autosomes. Mice with 0 contributing alleles have tails that are 4 cm in length; mice with tails with 4 contributing alleles are 12 cm in length. Determine the phenotypic ratio from an F2 from a true breeding parent...
Question 2 0.5 points Save As Suppose that in plants, smooth seeds (5) is dominant to...
Question 2 0.5 points Save As Suppose that in plants, smooth seeds (5) is dominant to wrinkled seeds (s), and tall plants () is dominant to short plants (t). An F1 plant from a mating between homozygous plants that were tall/smooth and short/wrinkled was crossed to the short/wrinkled parent. What proportion of the progeny is homozygous for short and wrinkled alleles? 1/2 1/4 1/8 1/16 O 00 A Which genotypic ratio indicates a recessive lethal allele when two heterozygotes are...
Genes A and B assort independently. Match the following genotypes with the correct gamete combinations that...
Genes A and B assort independently. Match the following genotypes with the correct gamete combinations that the given genotype can produce. - : AABb A. Two, AB and aB - AaBB B. Four, AB, Ab, ab, and ab - : AaBb C. One, a - 1 aaBB D. Two, AB and Ab Coat color in mice can be agouti, albino, or black and is controlled by two genes that assort independently. Agouti color results when at least one dominant A...
10.) Tatuo Aida investigated the genetic basis of color variation in the Medaka (Aplocheilus latipes), a small fish that occurs naturally in Japan (T. Aida. 1921. Genetics 6:554 573). Aida found that genes at two loci (B, b and R, r) determine the color of the fish: Fish with a dominant allele at both loci (B_R_ are brown, fish with a dominant allele at the B locus only (B_rr) are blue, fish with a dominant allele at the R locus...
Q1. Based on a 2014 report from a consortium called GIANT (Genetic Investigation of Anthropometric Traits), it has been reported that there are at least 424 genes that contribute to determining the polygenic trait, height, in humans. Assuming there are two alleles for each gene, how many unique phenotypes would be generated? U ow 424 425 848 849 6.023 x 10 Q2. In fruit flies, the y+ and ct+ genes are located on the X chromosome. Grey body color is...
In rabbits, one enzyme (the product of a functional gene A) is needed to produce a substance required for hearing. Another enzyme (the product of a functional gene B) is needed to produce another substance required for hearing. The genes responsible for the two enzymes are not linked. Individuals homozygous for either one or both of the nonfunctional recessive alleles, a or b, are deaf. If two rabbits (both heterozygous for both genes are mated), what phenotypes and what phenotypic...
Suppose that the " fabulous " phenotype is controlled by two independent genes, A and B, as shown in the diagram below. Allele A encodes a functional enzyme 1, which converts " lain " to " smashing ". The recessive allele a encodes a nonfunctional Enzyme 1. Allele B encodes a functional Enzyme 2, which converts " smashing " to " fabulous ". The recessive allele B encodes a functional and B genes are both autosoaml and assort independently. A...
Evaluating your phenotypes and genotypes and testing a genetic hypothesis in corn There are two activities in this write up. In the first, you will evaluate your phenotypes and genotypes and relate them to parental phenotypes and genotypes. In the second, you will test a hypothesis using a monohybrid cross in corn and carry out a Chi-squared analysis. For the write up, please copy and paste the remaining part of the Lab document into a new document, then fill in...
A tomato plant heterozygous for stem color and fasciation (the dominant alleles linked on the same chromosome) is pollinated by a plant heterozygous for stem color and homozygous recessive for fasciation (that is nonfasciated). 29. What alleles will the sperm carry?_ What alleles will the eggs carry? 30. What are the genotypes of the progeny? What are the phenotypes of the progeny? 31. If the dominant alleles for stem color and fasciation are commonly located on the same chromosome, how...
Question 2 0.5 points Save As Suppose that in plants, smooth seeds (5) is dominant to wrinkled seeds (s), and tall plants () is dominant to short plants (t). An F1 plant from a mating between homozygous plants that were tall/smooth and short/wrinkled was crossed to the short/wrinkled parent. What proportion of the progeny is homozygous for short and wrinkled alleles? 1/2 1/4 1/8 1/16 O 00 A Which genotypic ratio indicates a recessive lethal allele when two heterozygotes are...
Genes A and B assort independently. Match the following genotypes with the correct gamete combinations that the given genotype can produce. - : AABb A. Two, AB and aB - AaBB B. Four, AB, Ab, ab, and ab - : AaBb C. One, a - 1 aaBB D. Two, AB and Ab Coat color in mice can be agouti, albino, or black and is controlled by two genes that assort independently. Agouti color results when at least one dominant A...
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