A particular breed of dog can have long hair or short hair. A second trait involves the texture of the hair. The two variants are wiry or straight hair. A cross between a pure-breeding long, straight haired dog and a pure-breeding short, wiry haired dog produced F1 dogs with long, wiry hair. a. Assign symbols to the alleles of both loci using convention. Indicate the dominance relationship at each locus. b. Determine the genotypes of the parental dogs involved in the crosses below by analysing the phenotypes of their offspring Parents Offspring Long, wiry x long, wiry ¾ long, wiry : ¼ short, wiry Short, wiry x long, wiry 3/8 short, wiry : 1/8 short, straight : 3/8 long, wiry : 1/8 long, straight

A particular breed of dog can have long hair or short hair. A second trait involves the texture of the hair. The two variants are wiry or straight hair. A cross between a pure-breeding long, straight haired dog and a pure-breeding short, wiry haired dog produced F1 dogs with long, wiry hair. a. Assign symbols to the alleles of both loci using convention. Indicate the dominance relationship at each locus. b. Determine the genotypes of the parental dogs involved in the crosses below by analysing the phenotypes of their offspring Parents Offspring Long, wiry x long, wiry ¾ long, wiry : ¼ short, wiry Short, wiry x long, wiry 3/8 short, wiry : 1/8 short, straight : 3/8 long, wiry : 1/8 long, straight

Name: A particular breed of dog can have long hair or short hair. A second t
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Description: A particular breed of dog can have long hair or short hair. A second trait involves the texture of the hair. The twovariants are wiry or straight hair. A cross between a pure-breeding long, straight haired dog and a pure-breedingshort, wiry haired do

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter8: Patterns Of Inheritance

Section: Chapter Questions

Problem 4RQ: Imagine that you are performing a cross involving seed color in garden pea plants. What traits would...

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The normal color of snapdragons is red. Some pure lines showing the variations of flower color have been found. When these lines were crossed, they gave the results attached. A. From the data given, determine if alleles of one, two, or three genes are generating these traits and why? B. Define the results of cross #5 with gene symbols and a complete explanation of ratios and any relevant genetic terms.
In certain breeds of chicken, the appearance of the comb (a fleshy growth or crest on the top of the head of gallinaceous birds, such as turkeys, pheasants, and domestic chickens) is controlled by a single pair of genes. One type of comb, the pea comb, is dominant over a single comb. You own a rooster with a single comb. M a. What is the genotype of your rooster? b. Suppose you cross your rooster is crossed your neighbor's pea- combed hen. The brood of 13 eggs that is produced hatches to Single reveal 5 have single combs and 7 have pea combs. What was the genotype of your neighbor's hem? (Use a Punnett square to determine your results). Pea
Based on the allelic gene interaction in Australian milking shorthorn cattle breeds, the mating of a red cattle (RR) and white cattle is depicted in the picture below. What is gene interaction involved in this resulting coat color of the offspring? see photo attached a. Complete dominance b. Incomplete dominance c. Codominance d. Additive gene action
. Male house cats are either black or orange; females areblack, orange, or calico.a. If these coat-color phenotypes are governed by a sexlinked gene, how can these observations be explained?b. Using appropriate symbols, determine the phenotypes expected in the progeny of a cross between anorange female and a black male.c. Half the females produced by a certain kind of matingare calico, and half are black; half the males are orange,and half are black. What colors are the parental malesand females in this kind of mating?d. Another kind of mating produces progeny in thefollowing proportions: one-fourth orange males, onefourth orange females, one-fourth black males, and onefourth calico females. What colors are the parental malesand females in this kind of mating?
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Suppose that in barley plants, the allele for tall stalks is dominant over short stalks and the allele for wide leaves is dominant over thin leaves. What would be the best way to determine the genotype of a barley plant with a tall stalk and wide leaves? Choose 1 answer: A.Perform a testcross with a barley plant that has a tall stalk and thin leaves. B.Perform a testcross with a known heterozygous barley plant . C. Perform a testcross with a barley plant that has a short stalk and thin leaves. D. Perform a testcross with a barley plant that has a tall stalk and wide leaves.
Black Hair is homozygous dominant. Brown hair is heterozygous. Blonde hair is homozygous recessive. (This is an example of incomplete dominance.) A woman with brown hair marries a man with brown hair. What are possible outcomes for their kids? Use the picture below to answer.
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A cross is made between a heterozygote, +++/abc, and a recessive homozygote, abc/abc. Analysis of the progeny gave the following results: + + + 450 + + C 10 a + c 70 + b c 210 + b + 65 a + + 200 a bc 460 ab + 15 What is the map distance between the a and c genes? O 25.12 map units O 27.71 map units O 29.39 map units O 32.53 map units O None of the above Next» • Previous PgUp End F10 PrtScn Home 23 F2 DII F3 F4 F5 FB F9 F1 @ %23 %24 1. 3. 4. 8. To W R. Y U S D G H. C M B

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Parents	Offspring
Long, wiry x long, wiry	¾ long, wiry : ¼ short, wiry
Short, wiry x long, wiry	3/8 short, wiry : 1/8 short, straight : 3/8 long, wiry : 1/8 long, straight