Homework Answers
h. If the genes are showing
independent assortment the ratio will be 1:1:1:1:1:1:1:1, so the
proportion of each genotype is 1/8. Then the freequency of BbhhTt
will be = 1/8 *800 = 100.
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Question 1 (10 pts). Ilne genetic linkage among 3 gene loci in norses is being stuaiea....
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...
2. In Labrador dogs, there are 2 loci that determine coat color. The first locus, B...
2. In Labrador dogs, there are 2 loci that determine coat color. The first locus, B is dominant to b. At least one B allele will produce black coat color, while the bb genotype produces a chocolate coat color. This first locus also determines nose color in Labradors: B_ black noses, and bb brown noses. The second locus has a genotype, ee, that is epistatic in nature. Any Labrador with an ee genotype will be yellow. A genotype containing at...
4. A population has two alleles at the height locus. The Tallele is form the tail...
4. A population has two alleles at the height locus. The Tallele is form the tail ons short trait. T is dominant to t. The frequency of the tall phenotype is found to frequency of the short phenotype is found to be 0.64 (64%). Assuming the pop Weinberg Equilibrium, what are the values for p (frequency of the T alle t allele)? Give an actual number. Space for calculations ne i allele is form the tall trait, and the t...
Question6 1 pts Recall that, in a type of mouse, fur color is determined by alleles...
Question6 1 pts Recall that, in a type of mouse, fur color is determined by alleles at one gene locus; allele A for brown fur and allele a for white. Height is determined by another gene locus; allele B for tall and allele b for short. Each uppercase allele is completely dominant to their respective lower case allele. The 2 gene loci sort or segregate independently. There are no interactions. Mouse 1 (genotype AaBb) mates with mouse 2 (genotype AaBb)...
2. In certain cats, tail length-long, short, manx (no tail) - is determined by a gene...
2. In certain cats, tail length-long, short, manx (no tail) - is determined by a gene that demonstrates incomplete dominance. a. Make up letters to represent the long & manx alleles. b. Give the genotypes for each tail type. Long-tailed Short-tailed Manx c. Construct a Punnett square to illustrate a cross between a short-tailed cat and a man. What is the probability that the resulting kittens will be manx? Activity 3: Codominance 1. In codominance, the symbols for alleles are...
6. In tigers, a dominant allele (W) is responsible for the expression of the normal orange...
6. In tigers, a dominant allele (W) is responsible for the expression of the normal orange pigment. Individuals that inherit twe recessive alleles (w) lack the normal orange pigment in their fur, appearing white with black stripes. A pair of normally colored parewis produces a cub that is white with black stripes and scab that is orange with black stripes. What are the possible genotypes of the cube? b. What are the possible genotypes of the parents? 6. Explain your...
Question 25 2 pts In dragons, the dominant allele R causes solid tail color, and the...
Question 25 2 pts In dragons, the dominant allele R causes solid tail color, and the recessive alleler results in white spots on a colored background. The black coat color allele Bis dominant to the brown allele b, but these genes can only be expressed if the animal has an mm genotype at a third gene locus. Animals that are M are yellow regardless of which allele from the Blocus is present. A mating between a solid yellow-tailed male dragon...
**Please answer ALL 10 QUESTION** 1. A species of flowering plant includes plants with blooms that...
**Please answer ALL 10 QUESTION** 1. A species of flowering plant includes plants with blooms that range from bright golden yellow to very pale yellow; no flowers carrying the yellow pigment allele appear white. The allele for yellow flower color: a. must be a suppressor of another allele. b. demonstrates incomplete penetrance. c. demonstrates variable expressivity. d. must be a modifier of another allele. e. demonstrates variable penetrance. 2. Coat color in mice is determined by two alleles acting at...
(1) One of the standard techniques to determine whether two loci are physically close to one anot...
Hello, please show work :) . I want to double check my work
and answers . thanks
(1) One of the standard techniques to determine whether two loci are physically close to one another on the same chromosome is to conduct a "dihybrid cross", a cross of two individuals that are heterozygous at both loci. For example if the two loci have alleles A and a at the first locus and B and b at the second locus then crossing...
1. At least 3 independently assorting loci are known to govern coat color in mice. The...
1. At least 3 independently assorting loci are known to govern coat color in mice. The genotype C- will allow pigment to be produced by 2 other genes. The cc genotype does not allow pigment production resulting in albino mice. The striped “agouti” hair pattern depends on the genotype A- and the aa genotype is nonagouti. Finally, the color of the pigment may be black (B-) or brown (bb). Five different coat colors may be produced by the action of...
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...
4. A population has two alleles at the height locus. The Tallele is form the tail ons short trait. T is dominant to t. The frequency of the tall phenotype is found to frequency of the short phenotype is found to be 0.64 (64%). Assuming the pop Weinberg Equilibrium, what are the values for p (frequency of the T alle t allele)? Give an actual number. Space for calculations ne i allele is form the tall trait, and the t...
Question6 1 pts Recall that, in a type of mouse, fur color is determined by alleles at one gene locus; allele A for brown fur and allele a for white. Height is determined by another gene locus; allele B for tall and allele b for short. Each uppercase allele is completely dominant to their respective lower case allele. The 2 gene loci sort or segregate independently. There are no interactions. Mouse 1 (genotype AaBb) mates with mouse 2 (genotype AaBb)...
2. In certain cats, tail length-long, short, manx (no tail) - is determined by a gene that demonstrates incomplete dominance. a. Make up letters to represent the long & manx alleles. b. Give the genotypes for each tail type. Long-tailed Short-tailed Manx c. Construct a Punnett square to illustrate a cross between a short-tailed cat and a man. What is the probability that the resulting kittens will be manx? Activity 3: Codominance 1. In codominance, the symbols for alleles are...
6. In tigers, a dominant allele (W) is responsible for the expression of the normal orange pigment. Individuals that inherit twe recessive alleles (w) lack the normal orange pigment in their fur, appearing white with black stripes. A pair of normally colored parewis produces a cub that is white with black stripes and scab that is orange with black stripes. What are the possible genotypes of the cube? b. What are the possible genotypes of the parents? 6. Explain your...
Question 25 2 pts In dragons, the dominant allele R causes solid tail color, and the recessive alleler results in white spots on a colored background. The black coat color allele Bis dominant to the brown allele b, but these genes can only be expressed if the animal has an mm genotype at a third gene locus. Animals that are M are yellow regardless of which allele from the Blocus is present. A mating between a solid yellow-tailed male dragon...
Hello, please show work :) . I want to double check my work
and answers . thanks
(1) One of the standard techniques to determine whether two loci are physically close to one another on the same chromosome is to conduct a "dihybrid cross", a cross of two individuals that are heterozygous at both loci. For example if the two loci have alleles A and a at the first locus and B and b at the second locus then crossing...
1. At least 3 independently assorting loci are known to govern coat color in mice. The genotype C- will allow pigment to be produced by 2 other genes. The cc genotype does not allow pigment production resulting in albino mice. The striped “agouti” hair pattern depends on the genotype A- and the aa genotype is nonagouti. Finally, the color of the pigment may be black (B-) or brown (bb). Five different coat colors may be produced by the action of...
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