In the Pea plants studied by Mendel, green pod colour is dominant over yellow pod colour. You have grown the same species in your garden and the plant is producing only green pods. You were guaranteed by the garden store that it was homozygous (pure-breeding) but you are not completely sure. Show how you can find out.

In the Pea plants studied by Mendel, green pod colour is dominant over yellow pod colour. You have grown the same species in your garden and the plant is producing only green pods. You were guaranteed by the garden store that it was homozygous (pure-breeding) but you are not completely sure. Show how you can find out.

Name: In the Pea plants studied by Mendel, green pod colour is dominant ove
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Description: In the Pea plants studied by Mendel, green pod colour is dominant over yellow pod colour. You havegrown the same species in your garden and the plant is producing only green pods. You were guaranteedby the garden store that it was homozygous (pure-b

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 5RQ: Imagine that you are performing a cross involving seed texture in garden pea plants. You cross...

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In the Pea plants studied by Gregor Mendel, green pod colour is dominant over yellow pod colour. You have grown the same species in your garden and the plant is producing only green pods. You were guaranteed by the garden store that it was homozygous (pure-breeding) but you are not completely sure. Show how you can find out.
In peas, tall (T) is dominant to short (t). A homozygous tall plant is cross with a short plant. The F1 are self fertilized to produce the F2. Both tall and short plants appear in the F2. If the tall F2 are self fertilized, what types of offspring and proportions will be produced? (Show all your work) please use the punnet square
Mendelian Genetics F1 Cross: Tall, White, Axial x Dwarf, Violet, Terminal DdwwAA X ddWWaa Character: Stem height, Flower color & position Use fork-line method to check the F2. Show and interpret all the possible genotypes and phenotypes of the offsprings.
Mendelian Genetics F2 Cross: Yellow, Round x Green, Round GgWw x ggWW Character: Pea color & shape Use Punnett square and fork-line method to check the possible offspring. Show and interpret all the possible genotypes and phenotypes of the offsprings
You experiment with the genetics of height in a plant. You cross a homozygous tall (TT) plant with a homozygous short (tt) plant. Describe what the genotype and phenotype of the F1 progeny would look like if the plants exhibited complete dominance. Now describe the expected results if the trait exhibited incomplete dominance. What about the F2 progeny, assuming you crossed the F1 progeny with each other?
Mendel examined two distinct flower phenotypes in his pea plants. Flower color and flower position. The violet color (W) is dominant over the white color (w), and the axial position (T) is dominant over terminal (t). Predict the F1 ratios of these phenotypes from a parent heterozygous for both traits and the other parent homozygous recessive for both traits. Show your work. Flower color Flower position violet/white axial/terminal
A trait in garden peas involves the curling of leaves. A two-factorcross was made by crossing a plant with yellow pods and curlingleaves to a wild-type plant with green pods and normal leaves. AllF1 offspring had green pods and normal leaves. The F1 plants werethen crossed to plants with yellow pods and curling leaves. Thefollowing results were obtained: 117 green pods, normal leaves115 yellow pods, curling leaves78 green pods, curling leaves80 yellow pods, normal leavesA. Conduct a chi square analysis to determine if these two genesare linked.B. If they are linked, calculate the map distance between the twogenes. How accurate do you think this calculated distance is?
Using Mendel’s lines of peas, describe how you would use a test cross experimental design to determine the genotype of a pea plant with purple flowers. Be very specific in describing your experimental design and how you would interpret your results based on the proportion of offspring phenotypes. Make sure to include all possible offspring phenotypes in your answer and what the proportion of phenotypes tells you about the purple plant genotype.
For all seven characters described in the data of Mendel allowed the F2 plants to self-fertilize. He found that whenF2 plants with recessive traits were crossed to each other, theyalways bred true. However, when F2 plants with dominant traitswere crossed, some bred true but others did not. A summary ofMendel’s results is shown to the right When considering the data in this table, keep in mind that theydescribe the characteristics of the F2 generation parents that haddisplayed a dominant phenotype. These data were deduced byanalyzing the outcome of the F3 generation. Based on Mendel’slaws, explain why the ratios were approximately 1:2
Flower color in snapdragons is an incompletely dominant trait; progeny of crosses between true- breeding red- and white-flowered plants have pink flowers. A cross between two snapdragon plants yielded progeny with all 3 flower colors. What can be inferred about the phenotypes of the parents? O We cannot infer the phenotypes of the parents Both parents had red flowers O One parent had red flowers and the other had white flowers O Both parents had pink flowers O Both parents had white flowers
If Dominant Tall ( TT ) plant with Axial Flowers ( AA ) is crossed with recessive ( tt ) plant containing terminal flowers ( aa ) following Mendelian Genetics . What will be genotypes and phenotypes in F2 generation ? Write numbers of genotypes .and phenotypes also . Use the same symbols .
Genes Q and R are 20 map units apart. If a plant of genotype QqRr (linkage phase is Qr/qR) is testcrossed, then what percentage of the progeny will be Qr in phenotype? O 10% O 20% 40% O 50% 80%