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12 - 14: Consider three unlinked genes: a,...
Which of the following is true regarding dihybrid crosses? A. Each parent involved in the cross...
Which of the following is true regarding dihybrid crosses? A. Each parent involved in the cross is heterozygous for at least one of the two genes being assessed. B. Two gene loci are assessed and the parents can be any genotype at these two loci. C. There are 9 different fertilization possibilities. D. The ratio 9:3:3:1 means that of the possible outcomes in offspring; 9/16 will express the dominant phenotype for both loci, 3/16 will express the dominant phenotype for...
In chickens, comb shape is determined by non-epistatic interactions between genes at two loci (R, r...
In chickens, comb shape is determined by non-epistatic interactions between genes at two loci (R, r and P, p). A walnut comb is produced when at least one dominant gene R is present at one Single Rose locus and at least one dominant gene C P is present at a second locus (genotype R P ). A rose comb is produced when at least one dominant gene is present at the first locus and two recessive genes are present at...
You have three genes on the same chromosome - A, B and C. Each gene has...
You have three genes on the same chromosome - A, B and C. Each gene has two alleles in a dominant/recessive relationship. For these genes the homozygous recessive has the mutant phenotype for that trait, the dominant phenotype = wild type for that trait. allele A is dominant to a; phenotype a = mutant for trait a; phenotype A = wild type for trait A allele B is dominant to b; phenotype b = mutant for trait b; phenotype B...
1.) The height of a type of bean plants is determined by five unlinked genes called...
1.) The height of a type of bean plants is determined by five unlinked genes called A, B, C, D, and E. Each gene has two alleles: additive (uppercase letter) and nonadditive (lowercase letter). A.) How many phenotypic classes would you expect? B.) The shortest plants are 130 cm. The tallest plants are 220 cm. Estimate how many centimeters each allele contributes to the height difference. C.) The genotypes are known for two bean plants. Plant 1 is genotype AABbccDdEE....
You have three genes on the same chromosome - A, B and C. Each gene has...
You have three genes on the same chromosome - A, B and C. Each gene has two alleles in a dominant/recessive relationship. For these genes the homozygous recessive has the mutant phenotype for that trait, the dominant phenotype = wild type for that trait. allele A is dominant to a; phenotype a = mutant for trait a; phenotype A = wild type for trait A allele B is dominant to b; phenotype b = mutant for trait b; phenotype B...
On the island of Notion, in the Factotum Archipelago, there lives a population of pencil bears....
On the island of Notion, in the Factotum Archipelago, there lives a population of pencil bears. A portion of these bears have silky fur, and as a result, are much better surfers. The texture of the fur is determined by a single autosomal locus with two alleles: S (trait allele) and s (wild type allele). In a recent study, researched collected the values in the following table: Table 1. Counts of Pencil Bear fur style by genotype Phenotype Genotype Silky...
1. A series of unlinked genes contribute in an equal manner to determine the number of...
1. A series of unlinked genes contribute in an equal manner to determine the number of flowers in an inflorescence for a plant species. Two pure breeding lines, one with 4 flowers and a second with 12 flowers per inflorescence. After the cross is performed the F1 plants have 8 flowers per inflorescence. The F1 plants as crossed with each other and the resulting F2 produces plants with as few as 4 flowers per inflorescence and as many as 12....
9. Different genes are located on different kinds of genetic elements - autosomes, W chromosomes, the...
9. Different genes are located on different kinds of genetic elements - autosomes, W chromosomes, the mitochondrial genome, etc. Different elements are inherited in different ways, so different offspring inherit different elements from different parents. For each case, answer "both parents', 'mother', 'father, or 'neither parents. For instance, sons inherit autosomal genes from both parents, but sons inherit W chromosome genes from neither parent (because males are ZZ, and don't have a W chromosome...) (1 point per answer) Sons inherit...
please answer question 1-4 with a breif explanation thankyou 1. In humans, red-green color-blindness is a...
please answer question 1-4 with a breif explanation
thankyou
1. In humans, red-green color-blindness is a sex-linked (carried on the X chromosome) recessive trait. If a woman who is not color blind but whose father was color-blind marries a man who is not color-blind, what is the probability that their first child will be a daughter who is color- blind? a) 0 b) 25% c) 50%- d) 100%- e) cannot tell from the information given 2. In a certain species...
Question 9 (1 point) Three genes along a plant chromosome can be traced by their phenotypic...
Question 9 (1 point) Three genes along a plant chromosome can be traced by their phenotypic effects. One gene "S" determines flower shape (single dominant to double); another determines flower color "C" (red dominant to white) and the third determines size "Z" (large dominant to small). Parent plants of the types : single, red, and large crossed with the opposite type: double, white, and small. Using the information from the offspring plants listed below, give the order of the loci....
In chickens, comb shape is determined by non-epistatic interactions between genes at two loci (R, r and P, p). A walnut comb is produced when at least one dominant gene R is present at one Single Rose locus and at least one dominant gene C P is present at a second locus (genotype R P ). A rose comb is produced when at least one dominant gene is present at the first locus and two recessive genes are present at...
9. Different genes are located on different kinds of genetic elements - autosomes, W chromosomes, the mitochondrial genome, etc. Different elements are inherited in different ways, so different offspring inherit different elements from different parents. For each case, answer "both parents', 'mother', 'father, or 'neither parents. For instance, sons inherit autosomal genes from both parents, but sons inherit W chromosome genes from neither parent (because males are ZZ, and don't have a W chromosome...) (1 point per answer) Sons inherit...
please answer question 1-4 with a breif explanation
thankyou
1. In humans, red-green color-blindness is a sex-linked (carried on the X chromosome) recessive trait. If a woman who is not color blind but whose father was color-blind marries a man who is not color-blind, what is the probability that their first child will be a daughter who is color- blind? a) 0 b) 25% c) 50%- d) 100%- e) cannot tell from the information given 2. In a certain species...
Question 9 (1 point) Three genes along a plant chromosome can be traced by their phenotypic effects. One gene "S" determines flower shape (single dominant to double); another determines flower color "C" (red dominant to white) and the third determines size "Z" (large dominant to small). Parent plants of the types : single, red, and large crossed with the opposite type: double, white, and small. Using the information from the offspring plants listed below, give the order of the loci....
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