GCSE Biology, Genes And Environment

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Quizzes Created: 1 | Total Attempts: 385
| Attempts: 385
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  • 1/6 Questions

    You have _______ chromosomes.

    • 92, 46 pairs
    • 40, 20 pairs
    • 46, 23 pairs
    • 24, 12 pairs
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About This Quiz

This GCSE Biology quiz explores the influence of genes and environment on human traits, such as appearances in identical twins, and foundational genetics concepts like chromosome structure and genetic inheritance. It assesses understanding of how environmental factors and genetic makeup determine physical traits and genetic conditions.

Genetics Quizzes & Trivia

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  • 2. 

    None Identical twins are conceived, child a has the genetic code XX child b has XY what sex are they?

    • A is male b is female

    • A is female b is male

    • They are both male

    • They are both female

    • None of the above, the genetic combinations do not exist.

    Correct Answer
    A. A is female b is male
    Explanation
    The genetic code XX typically corresponds to a female individual, while XY typically corresponds to a male individual. In this case, child a has the genetic code XX, indicating that she is female. Child b has the genetic code XY, indicating that he is male. Therefore, the correct answer is "a is female b is male."

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  • 3. 

    Genes are found in the __________ of a cell. Genes are instructions for making __________.

    Correct Answer
    nucleus, proteins
    Explanation
    Genes are found in the nucleus of a cell. The nucleus is the control center of the cell where the DNA is located. Genes are segments of DNA that contain instructions for making proteins. Proteins are essential molecules that perform various functions in the cell, such as catalyzing chemical reactions, providing structural support, and regulating gene expression. Therefore, the correct answer is nucleus, proteins.

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  • 4. 

    Betty and Maria are identical twins but they do not look exactly alike, for example Betty is 5cm taller, why is this? Check the best answer

    • Betty and Maria inherited different genes

    • Betty was born before Maria

    • The Environment effects their apperence

    • The Environment effects their genes.

    Correct Answer
    A. The Environment effects their apperence
    Explanation
    The answer suggests that the difference in appearance between Betty and Maria is due to the environment. This means that factors such as nutrition, lifestyle, and experiences may have influenced their physical characteristics, causing Betty to be taller than Maria. It implies that their genes are likely the same, but external factors have played a role in shaping their appearance.

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  • 5. 

    If we relate our genetic structure to a library, Match the following.a) Genesb) Allelesc) ChromosomesTo the appropriate part.

    • A) Bookshelf b) Book c) Building

    • A) Book b) Building c) Bookshelf

    • A) Building b) Book c) Bookshelf

    • A) Book b) Bookself c) Building

    • A) Building b) Bookshelf c Book

    Correct Answer
    A. A) Bookshelf b) Book c) Building
    Explanation
    Genes can be compared to books in a library because they contain the instructions or information for making proteins, similar to how books contain knowledge. Alleles can be compared to individual books because they are different versions or variations of a gene, just like books can have different editions or authors. Chromosomes can be compared to the building that houses the library because they are structures that contain many genes, similar to how a building contains many books on its shelves.

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  • 6. 

    Explain how a couple with dimples ( D which is a dominant gene) could have a child with no dimples.

Quiz Review Timeline (Updated): Mar 21, 2023 +

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 16, 2010
    Quiz Created by
    Zoetiggy
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