In one of Mendel's experiments he crossed two rule breeding pea plants. One produces yellow and...
In one of Mendel's experiments he crossed two rule breeding pea plants. One produces yellow and round seeds and the other produces green and wrinkled seeds. Yellow and round are dominant traits whereas green and wrinkled are recessive. We will classify yellow as ''Y'' green as ''y'' round as ''R'' and wrinkled as "r"
In part A show F1 generation using punnet square.
In part B show a punnet square for F2 generation from dihybrid cross.
In part C by analyzing the two generations, what do we know about genes in these plants
Homework Answers
Answer =
In one of Mendel's experiments he crossed two rule breeding pea plants. One produces yellow and round seeds and the other produces green and wrinkled seeds. Yellow and round are dominant traits whereas green and wrinkled are recessive. We will classify yellow as ''Y'' green as ''y'' round as ''R'' and wrinkled as "r"
In part A = F1 generation using punnet square.
P generation = phenotype = Yellow round X green wrinkled
Genotypes = YYRR X yyrr
gametes = YR yr
F1 generation
| YR | |
| yr | YyRr( yellow round) |
part B show a punnet square for F2 generation from dihybrid cross as follows:
Phenotypes = yellow round X yellow round
genotypes = YyRr X YyRr
Gametes = YR Yr yR yr
F2 generation-
punnete square
| Gametes | YR | Yr | yR | yr |
| YR | YRYR (yellow round) | YYRr(yellow round) | YyRR(yellow round) | YyRr(yellow round) |
| Yr | YYRr (yellow round) | YYrr (yellow wrinkled) | YyRr (yellow round) | Yyrr (yellow wrinkled) |
| yR | YyRR(yellow round) | YyRr (yellow round) | yyRR (Green round) | yyRr (Green round) |
| yr | YyRr (yellow round) | Yyrr (yellow wrinkled) | yyRr (Green round) | yyrr (green wrinkled) |
Phenotypic ratio = Yellow round : yellow wrinkled: green round : green wrinkled
= 9: 3:3:1
Genotypic ration = YYRR : YYRr : YyRR : YyRr : YYrr : Yyrr : yyRR : yyRr :yyrr
= 1: 2:2:4 :1 :2:1 :2:1
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In one of Mendel's experiments he crossed two rule breeding pea
plants. One produces yellow and...
3. Yellow seeds is a dominant characteristic in pea plants. Pure breeding pea plants for yellow...
3. Yellow seeds is a dominant characteristic in pea plants. Pure breeding pea plants for yellow seeds were crossed with pure breeding pea plants for green seeds. The F1 generation all exhibited yellow seeds. An F1 plant was crossed to a green plant. Of 800 F2 plants, how many are expected to exhibit green seeds? Show work for full credit.
Table 1: Mendel's Traits and Symbols for Pea Plants Traits Symbol Symbol Dominant Allele Round Yellow...
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1. Write down the cross between two true breeding pea plants with round green seeds and...
1. Write down the cross between two true breeding pea plants with round green seeds and wrinkled yellow seeds. Predict a phenotypic ration in the F2 generation.
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Two true breeding strains of peas, one with yellow and round seeds and the other with green and wrinkled seeds, were crossed. All the F1plants had yellow and round seeds. When these F1 plants were test crossed to the green and wrinkled parental strain, the following offspring were obtained: 30 yellow and round; 20 green and round; 26 yellow and wrinkled; 28 green and wrinkled. A) Please diagram the crosses described above, showing genotypes for each plant, using your own...
A true breeding plant for round and yellow seeds is crossed to a true breeding wrinkled...
A true breeding plant for round and yellow seeds is crossed to a true breeding wrinkled and green seeds. All progeny are round and yellow seeds. A plant from the F1 is crossed to a true breeding wrinkled and green seed's plant, producing the following offspring: 32 yellow and round seeds, 36 wrinkled and green seeds, 15 yellow and wrinkled seeds and 17 green and round seeds. What is the map distance between the color gene and the size gene?...
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If one of Mendel's pea plants that is homozygous recessive for seed shape and heterozygous for seed colour self-fertilizes, which of the following is the correct phenotypic ratio of the offspring produced? Question 8 options: 1 wrinkled, green: 2 round, yellow: 1 wrinkled, yellow 3 wrinkled, green: 1 wrinkled, yellow 9 round, yellow: 3 round, green: 3 wrinkled, yellow: 1 wrinkled, green 3 wrinkled, yellow: 1 wrinkled, green 2 wrinkled, green: 2 round, yellow
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Mendel crossed pea plants dominant for two different traits tall and green pods) with pea plants recessive for those same two traits (short and yellow pods). This cross resulted in pea plants that had combinations of all four traits tall with green pods, tall with yellow pods, short with green pods, and short with yellow pods). Which law of inheritance best describes why this happens? Multiple Choice O the law of segregation O the law of independent assortment O the...
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Mendelian Genetics 7. Mendel crossed plants with the following genotypes: YyRr x yyrr. Is this a dihybrid cross_ Use the given Punnett square to answer the questions below a. How many seeds out of 16 are yellow round? How many seeds out of 16 are yellow wrinkled?_ How many seeds out of 16 are green round? How many seeds out of 16 are green wrinkled? 8. Mendel crossed plants with the following genotypes: YyRr x YyRr. Is this a dihybrid...
In Mendel's pea experiment A pure breeding parent with white flowers was crossed with a pure...
In Mendel's pea experiment A pure breeding parent with white flowers was crossed with a pure breeding purple flower parent. Which is true of the parents? Both are heterozygous one is heterozygous One is homozygous Both are dominant None of the above Question 2 1 pts In the same experiment which is true of the F1 generation O All are heterozygous all are homozygous all will be white color flower all are pure breeding none of the above Questions TPS...
Q. 15, p. 67: Two traits are examined simultaneously in a cross of two pure-breeding pea...
Q. 15, p. 67: Two traits are examined simultaneously in a cross of two pure-breeding pea plant varieties: Pod shape can be either swollen or pinched. Pea color can be either green or yellow. A plant with the traits swollen and green is crossed with a plant with the traits pinched and yellow and a resulting F1 plant is self crossed. A total of 640 F2 progeny are phenotypically categorized as following: 360 swollen yellow, 120 swollen green, 120 pinched...
3. Yellow seeds is a dominant characteristic in pea plants. Pure breeding pea plants for yellow seeds were crossed with pure breeding pea plants for green seeds. The F1 generation all exhibited yellow seeds. An F1 plant was crossed to a green plant. Of 800 F2 plants, how many are expected to exhibit green seeds? Show work for full credit.
Table 1: Mendel's Traits and Symbols for Pea Plants Traits Symbol Symbol Dominant Allele Round Yellow Smooth Green Tall Axial Seed Shape Seed Color Pod Shape Pod Color Plant Height Flower Position S Recessive Allele Wrinkled Green Constricted Yellow Short Terminal а Refer back to Table 1 on the first pa abie 1 on the first page of this assignment to answer the following two questions. Use the appropriate symbols and phenotypes in your answer, 1. Show the genotypes of...
A true breeding plant for round and yellow seeds is crossed to a true breeding wrinkled and green seeds. All progeny are round and yellow seeds. A plant from the F1 is crossed to a true breeding wrinkled and green seed's plant, producing the following offspring: 32 yellow and round seeds, 36 wrinkled and green seeds, 15 yellow and wrinkled seeds and 17 green and round seeds. What is the map distance between the color gene and the size gene?...
Mendel crossed pea plants dominant for two different traits tall and green pods) with pea plants recessive for those same two traits (short and yellow pods). This cross resulted in pea plants that had combinations of all four traits tall with green pods, tall with yellow pods, short with green pods, and short with yellow pods). Which law of inheritance best describes why this happens? Multiple Choice O the law of segregation O the law of independent assortment O the...
Mendelian Genetics 7. Mendel crossed plants with the following genotypes: YyRr x yyrr. Is this a dihybrid cross_ Use the given Punnett square to answer the questions below a. How many seeds out of 16 are yellow round? How many seeds out of 16 are yellow wrinkled?_ How many seeds out of 16 are green round? How many seeds out of 16 are green wrinkled? 8. Mendel crossed plants with the following genotypes: YyRr x YyRr. Is this a dihybrid...
In Mendel's pea experiment A pure breeding parent with white flowers was crossed with a pure breeding purple flower parent. Which is true of the parents? Both are heterozygous one is heterozygous One is homozygous Both are dominant None of the above Question 2 1 pts In the same experiment which is true of the F1 generation O All are heterozygous all are homozygous all will be white color flower all are pure breeding none of the above Questions TPS...
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