Genetics Warm Up 1

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John Mitchell
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| Attempts: 216
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  • 1/20 Questions

    Pollination occurrs when _____ _____ produced in the male reproductive part of a flower are transferred to the female reproductive part of a flower.   (Please enter your answers in all lower case letters.)

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About This Quiz

Welcome to the electronic frontier classroom of the 21st Century. Genetics is the field of biology devoted to the research and understanding how characteristics are transmitted from parents to offspring. Let us see how well you of a basic understanding you have of Gregor Mendel and his garden peas.
This warm up allows unlimited number of attempts and randomly generates the order of questions and answer. Good Luck and I wish you well in earning a high grade!

Genetics Warm Up 1 - Quiz

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  • 2. 

    What is the recessive trait for seed texture in garden peas?    (Please enter your answers in all lower case letters.)

    Explanation
    The recessive trait for seed texture in garden peas is "wrinkled". This means that if an individual pea plant has two copies of the allele for wrinkled seeds, it will have wrinkled seeds.

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  • 3. 

    What is the dominant trait for position of flower along the stem of the garden pea?    (Please enter your answers in all lower case letters.)

    Explanation
    The dominant trait for the position of the flower along the stem of the garden pea is axial.

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  • 4. 

    What is the scientific name of the plants used in Gregor Mendel's genetic experiments?

    Explanation
    Gregor Mendel conducted his genetic experiments using plants with the scientific name Pisum sativum. This plant, commonly known as the pea plant, was ideal for Mendel's experiments due to its easily observable traits and ability to self-fertilize. Mendel's experiments with Pisum sativum allowed him to establish the fundamental principles of inheritance and lay the foundation for modern genetics.

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  • 5. 
    Which flower structure is the source of egg cells? - ProProfs

    Which flower structure is the source of egg cells?

    • Sepal

    • Stigma

    • Anther

    • Style

    • Ovule

    Correct Answer
    A. Ovule
    Explanation
    The ovule is the flower structure that serves as the source of egg cells. It is located within the ovary and contains the female reproductive cells necessary for fertilization and seed development. The ovule is typically composed of the embryo sac, which contains the egg cell, as well as other supporting tissues.

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  • 6. 

    What is the predicted ratio  of the F2 generation of a round crossed with a wrinkled garden pea seeds of the F1 generation?

    • 1 : 3

    • 1 : 2

    • 2 : 1

    • 3 : 1

    • 3.15 : 1

    Correct Answer
    A. 3 : 1
    Explanation
    In Mendelian genetics, the predicted ratio of the F2 generation of a round crossed with wrinkled garden pea seeds of the F1 generation is 3:1. This is because the round trait is dominant and the wrinkled trait is recessive. When the F1 generation is crossed, the offspring will inherit one allele from each parent. Since the round trait is dominant, it will mask the presence of the wrinkled trait in heterozygous individuals, resulting in a 3:1 ratio of round to wrinkled seeds in the F2 generation.

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  • 7. 

    What is the observed ratio of 6,022 yellow garden pea seeds to 2,001 green garden pea seeds?

    • 3.12 : 1

    • 3.15 : 1

    • 4.00 : 2

    • 2.82 : 1

    • 3.01 : 1

    Correct Answer
    A. 3.01 : 1
    Explanation
    The observed ratio of 6,022 yellow garden pea seeds to 2,001 green garden pea seeds is 3.01 : 1.

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  • 8. 

    When a P generation green pod color pea plant was self-pollinated. What is the pod color of F1 generation?

    • Purple

    • Green

    • White

    • Yellow

    • Brown

    Correct Answer
    A. Green
    Explanation
    When a P generation green pod color pea plant is self-pollinated, the F1 generation will have a pod color of green. This is because the green pod color trait is dominant over other pod color traits. Therefore, even if the P generation plant carries a recessive trait for pod color, the dominant green trait will be expressed in the F1 generation.

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  • 9. 

    Pisum sativum plants normally reproduced through _____.

    • Self-pollination

    • Cross-pollination

    • Auto-pollination

    • Floral-pollination

    • Petal-pollination

    • Insect-pollination

    Correct Answer
    A. Self-pollination
    Explanation
    Pisum sativum plants normally reproduce through self-pollination. Self-pollination occurs when the pollen from the anther of a flower is transferred to the stigma of the same flower or another flower on the same plant. This process ensures that the plants can reproduce without the need for external pollinators such as insects or wind. Self-pollination allows for the plants to maintain genetic consistency and ensures a higher chance of successful reproduction.

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  • 10. 

    Mendel began his research by growing plants that were _____-_____ for a trait always producing that trait when they self-pollinated.

    • Cross-breeding

    • Sexual-breeding

    • True-breeding

    • Fitness-breeding

    • Flexsor-breeding

    Correct Answer
    A. True-breeding
    Explanation
    Mendel started his research by growing plants that were true-breeding for a trait, meaning they always produced offspring with the same trait when self-pollinated. This allowed him to establish a consistent baseline for his experiments and study the patterns of inheritance more accurately.

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  • 11. 

    Mendel hypothesized that each trait was inherited by means of a separate factor. Because the characteristics studied had two alternative forms, he reasoned that 3 factors controlled each trait.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Mendel's hypothesis was that each trait was inherited by means of a separate factor, but he did not reason that 3 factors controlled each trait. Instead, he proposed that there were two factors, now known as alleles, for each trait. These alleles could be dominant or recessive, and their combination determined the expression of the trait. Therefore, the correct answer is False.

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  • 12. 

    Gregor Mendel called the offspring of the P generation the _____ _____ generation.

    • Initial filial

    • First filial

    • Second filial

    • Parental filial

    Correct Answer
    A. First filial
    Explanation
    Gregor Mendel called the offspring of the P generation the "first filial" generation. This is because the P generation refers to the parental generation, and the first filial generation represents the first generation of offspring resulting from the cross between the parents. Mendel used this term to describe the first set of offspring that exhibited a combination of traits from both parents, which he observed in his experiments on inheritance.

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  • 13. 

    Gregor Mendel's experiments consisted of three steps.  What technique was used to produce F2 generation offspring?

    • Pollination

    • Cross pollination

    • Self pollination

    • Floral pollination

    • Fission pollination

    Correct Answer
    A. Self pollination
    Explanation
    Self pollination is the correct answer because Gregor Mendel's experiments involved the controlled fertilization of plants by transferring pollen from the male reproductive organ to the female reproductive organ of the same plant. This technique allowed Mendel to study the inheritance of traits by observing the characteristics of the offspring produced through self pollination.

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  • 14. 

    How many different characteristics of the garden pea did Gregor Mendel use in his genetic experiments?

    • 7

    • 10

    • 14

    • 28

    • 32

    Correct Answer
    A. 7
    Explanation
    Gregor Mendel used 7 different characteristics of the garden pea in his genetic experiments.

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  • 15. 

    Gregor Mendel's experiments consisted of three steps.  What technique was used to produce F1 generation offspring?

    • Pollination

    • Cross pollination

    • Self pollination

    • Floral pollination

    • Fission pollination

    Correct Answer
    A. Cross pollination
    Explanation
    Cross pollination was used to produce F1 generation offspring in Gregor Mendel's experiments. Cross pollination involves transferring pollen from the male reproductive organ (stamen) of one plant to the female reproductive organ (pistil) of another plant. This technique allows for the combination of genetic material from two different plants, resulting in offspring with a combination of traits from both parent plants. Mendel used cross pollination to study the inheritance of traits in pea plants and observed how these traits were passed down to the next generation.

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  • 16. 

    Gregor Mendel collected the seeds of the F1 generation to self-pollinate and collected the seeds.  What is the name of the these "collected seeds"?

    • Initial filial

    • First filial

    • Second filial

    • Parental filial

    Correct Answer
    A. Second filial
    Explanation
    The term "second filial" refers to the seeds that Gregor Mendel collected from the F1 generation, which he then used for self-pollination. These seeds are called the second filial because they are the offspring of the first filial generation, which is the result of crossing two parental plants with different traits.

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  • 17. 

    Which technique would be used in Pisum sativum plants for cross-pollination?

    • Remove the anther of one plant

    • Remove the seeds of one plant

    • Remove the petals of one plant

    • Remove the stigma of both plants

    • Remove both anther and stigma of one plant

    Correct Answer
    A. Remove the anther of one plant
    Explanation
    In Pisum sativum plants, the technique used for cross-pollination is to remove the anther of one plant. By removing the anther, which is the male reproductive organ that produces pollen, the plant is prevented from self-pollinating. This allows for the transfer of pollen from another plant to the stigma of the first plant, resulting in cross-pollination and the potential for genetic diversity in the offspring.

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  • 18. 

    Gregor Mendel's experiments consisted of three steps.  What technique was used to produce P generation offspring?

    • Pollination

    • Cross pollination

    • Self pollination

    • Floral pollination

    • Fission pollination

    Correct Answer
    A. Self pollination
    Explanation
    Self pollination is the correct answer because Gregor Mendel's experiments involved the controlled pollination of pea plants. In self pollination, the pollen from the anther of a flower is transferred to the stigma of the same flower or another flower on the same plant. This technique ensures that the offspring inherit the traits of the parent plant, allowing Mendel to study the inheritance patterns of specific traits in subsequent generations.

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  • 19. 

    How many different traits of the garden pea did Gregor Mendel use in his genetic experiments?

    • 7

    • 10

    • 14

    • 28

    • 32

    Correct Answer
    A. 14
    Explanation
    Gregor Mendel used 14 different traits of the garden pea in his genetic experiments. These traits included characteristics such as flower color, seed color, seed shape, pod color, pod shape, and plant height. By studying the inheritance patterns of these traits, Mendel was able to establish the basic laws of genetics and lay the foundation for modern understanding of inheritance.

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  • 20. 
    Which flower structure is the source of sperm cells? - ProProfs

    Which flower structure is the source of sperm cells?

    • Sepal

    • Stigma

    • Anther

    • Style

    • Ovule

    Correct Answer
    A. Anther
    Explanation
    The anther is the correct answer because it is the flower structure that produces and contains the pollen grains, which in turn contain the sperm cells. The sperm cells are necessary for fertilization to occur in plants.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 29, 2012
    Quiz Created by
    John Mitchell
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