The remaining questions go together. You are given a pea that produces round, yellow seeds (both dominant traits), but its genotype is unknown. You conduct a testcross to determine the genotype at both loci, and find that the offspring have the following ratios of phenotypes: ¼ round, yellow, 4 round, green, ¼ wrinkled, yellow, ¼ wrinkled, green What is the genotype of the individual of known genotype in the testcross? rryy RRYY RrYy O rrYy OR_Y_ O Rryy

The remaining questions go together. You are given a pea that produces round, yellow seeds (both dominant traits), but its genotype is unknown. You conduct a testcross to determine the genotype at both loci, and find that the offspring have the following ratios of phenotypes: ¼ round, yellow, 4 round, green, ¼ wrinkled, yellow, ¼ wrinkled, green What is the genotype of the individual of known genotype in the testcross? rryy RRYY RrYy O rrYy OR_Y_ O Rryy

Name: The remaining questions go together. You are given a peathat produces
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Description: The remaining questions go together. You are given a peathat produces round, yellow seeds (both dominant traits),but its genotype is unknown. You conduct a testcross todetermine the genotype at both loci, and find that theoffspring have the followin

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter13: Patterns In Inherited Traits

Section: Chapter Questions

Problem 6GP: In sweet pea plant, an allele for purple flowers (P) is dominant when paired with a recessive allele...

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In sweet pea plant, an allele for purple flowers (P) is dominant when paired with a recessive allele for red flowers (p). An allele for long pollen grains (L) is dominant when paired with a recessive allele for round pollen grain (l). Bateson and Punnett crossed a plant having purple flowers/long pollen grains with one having white/flowers/round pollen grains. All F1 offspring had purple flowers and long pollen grains. Among the F2 generation, the researchers observed the following phenotypes: 296 purple flowers/long pollen grains 19 purple flowers/round pollen grains 27 red flowers/long pollen grains 85 red flowers/round pollen grains What is the best explanation for these results?
More Crosses with Pea Plants: The Principle of Independent Assortment Given the following matings, what are the predicted phenotypic ratios of the offspring? a. AABb Aabb b. AaBb aabb c. AaBb AaBb
If you cross a fruit fly with the genotype Gg, Hh, II, Jj to another fruit fly with genotype Gg, Hh, Ii, jjwhat fraction of their offspring do you expect to have genotype Gg, HH, II, jj? Show your work using individual punnett square for each trait then multiplying the fractions found through the punnett squares
next several questions all refer to the following problem. In dragons, the following are simple, autosomal Mendelian traits: Forelimbs (f+) is dominant to no forelimbs (f-) Wings (w+) is dominant to no wings (W-) Horns (h+) is dominant to no horns (h-) You cross a dragon from a true-breeding line with forelimbs, wings, and horns, to a dragon from another true-breeding line with no forelimbs, no wings, and no horns. You then test-cross an F1 dragon to one with no forelimbs, no wings, and no horns. You obtain the following numbers of offspring: 622 forelimbs, wings, horns 630 no forelimbs, no wings, no horns 55 forelimbs, no wings, no horns 62 no forelimbs, wings, horns 104 forelimbs, no wings, horns 109 no forelimbs, wings, no horns 3 forelimbs, wings, no horns 6 no forelimbs, no wings, horns Which gene is in the middle? 1.) Forelimbs (f) 2.) Wings (w) 3.) Horns (h)
next several questions all refer to the following problem. In dragons, the following are simple, autosomal Mendelian traits: Forelimbs (f+) is dominant to no forelimbs (f-) Wings (w+) is dominant to no wings (W-) Horns (h+) is dominant to no horns (h-) You cross a dragon from a true-breeding line with forelimbs, wings, and horns, to a dragon from another true-breeding line with no forelimbs, no wings, and no horns. You then test-cross an F1 dragon to one with no forelimbs, no wings, and no horns. You obtain the following numbers of offspring: 622 forelimbs, wings, horns 630 no forelimbs, no wings, no horns 55 forelimbs, no wings, no horns 62 no forelimbs, wings, horns 104 forelimbs, no wings, horns 109 no forelimbs, wings, no horns 3 forelimbs, wings, no horns 6 no forelimbs, no wings, horns What is the distance between the f and w genes in cM? (round your answer to one decimal place)
Using the punnet square solve the following:Please work out this Di-Hybrid cross . -Mom is homozygous dominant for both traits -Dad is homozygous recessive for both traits Trait Key:S= Straights= CurlyL= Long l= Short 1st Question to answer ---- How many of the offspring come out straight & long? 2nd Question to answer ---- How many of the offspring come out curly & short?
Give only typing answer with explanation and conclusion In a genetic cross for some quantitative trait, 19 distinct phenotypes are observed. Assuming that all genes contribute equally and there are no environmental effects, how many genes contribute to this trait?
Give only typing answer with explanation and conclusion to all parts Two true-breeding varieties of maize, one 11 cm high and the other 47 cm high were crossed and the resultant F1 hybrids were then crossed to generate the F2 . In the F2 there were a total of 13,923 plants with a continuous variation in heights between the two extremes and with only 3 plants as large as 47 cm high and 5 plants of 11 cm high. a) How many i) genes and ii) how many alleles are involved in determining height in this plant? b) What is the contribution of each dominant allele to the phenotype in cm?
Suppose two parents, a father with the genotype AaBbccDd and a mother with the genotype aaBbCcDd, want to have children. Assume the loci are inherited independently of each other. Enter your answers as the most simplified fractions (e.g. 1/8 instead of 2/16). What proportion of the offspring are expected to have: The same genotype as the father? The same phenotype as the father? All dominant phenotypes? All recessive phenotypes?
Height of the plant if a homozygous tall pea plant is crossed with a homozygous short pea plant, what are the possible genotype and phenotypes of the offspring? Legend: T- tall pea plant t- short pea plant Genotypes of the parents TT x tt Question 1. what is the genotypic ratio 2. what are the possible phenotypes of the offspring? 3. What is the phenotypic ratio? 4. what is the probability of having a short trait?
Use Punnett Square:The letter that accompanies each trait is representative of the dominant allele. This is the letter you will use when recording the genotypic information for each trait.Read through the descriptions of each trait and determine which phenotype you express. Record your phenotypeNext, determine your genotype. If you express the dominant phenotype, you cannot determine the second allele you carry, so you must list the two possible genotypes. Record this. Question: Widow’s Peak (W): A hairline that forms a downward point in the middle of the forehead is caused by a dominant allele. A smooth hairline is caused by a recessive genotype.
This question deals with Mendelian Genetics. Read each part carefully before you answer it. In the following questions, assume green pea pods are dominant over yellow pea pods. a) If a pea plant that is Heterozygous for pod color is crossed with a pea plant with yellow pods, what do you expect to see in the offspring (the f1 generation)? Specifically, what genotypes, what phenotypes, and in what ratios? (Use G for the green pod gene and g for the yellow pod gene.) (It is usually helpful to write out all the possible genotypes and give the phenotype for each genotype before answering the specific question.)