B1 You And Your Genes

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  • 1/11 Questions

    An example of an inherited disease, explained.

    • Cystic Fibrosis- when someone can't breathe or digest properly.
    • Fractures- When someone has a broken leg or arm.
    • Transplants- When someone gets a donated organ.
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About This Quiz

The quiz titled 'B1 YOU AND YOUR GENES' explores fundamental concepts of genetics, such as gene structure, chromosome count, and genetic disorders like Cystic Fibrosis. It assesses understanding of genetic components and their organization, vital for students learning biology.

Genetics Quizzes & Trivia

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  • 2. 

    A unspecialised cell is called a ___________

    Explanation
    An unspecialized cell that has the ability to differentiate into different types of cells in the body is called a stem cell. Stem cells are unique because they can divide and renew themselves for long periods of time, and they have the potential to develop into specialized cell types. On the other hand, a growing cell does not necessarily imply that it is unspecialized or has the ability to differentiate into different cell types. Therefore, the correct answer is stem cell.

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  • 3. 

    How many pairs of chromosomes do we have in our body?

    • 23

    • 46

    • 32

    Correct Answer
    A. 23
    Explanation
    We have 23 pairs of chromosomes in our body. Chromosomes are thread-like structures made of DNA and proteins that carry genetic information. Each pair of chromosomes consists of one chromosome from the mother and one from the father. These chromosomes contain genes that determine various traits and characteristics of an individual. The number 23 is correct because humans have 22 pairs of autosomes (non-sex chromosomes) and 1 pair of sex chromosomes (XX for females and XY for males), totaling 23 pairs.

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  • 4. 

    What is the sex chromosomes (Gametes) for females?

    • XX

    • XY

    • XXX

    Correct Answer
    A. XX
    Explanation
    The sex chromosomes for females are XX. In humans, females have two X chromosomes, while males have one X and one Y chromosome. The presence of two X chromosomes in females determines their biological sex.

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  • 5. 

    Is it true that Gene Therapy in the future could save lives?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Gene therapy has the potential to save lives in the future. This experimental technique involves introducing or modifying genes in a person's cells to treat or prevent diseases. By targeting the root cause of genetic disorders, gene therapy aims to provide long-lasting or permanent solutions. Although still in its early stages, gene therapy has shown promising results in clinical trials for various conditions, including inherited disorders and certain types of cancer. With further advancements and research, it is hopeful that gene therapy will become a viable option to save lives and improve the quality of life for individuals with genetic diseases.

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  • 6. 

    Is it true that you can have a baby by having in-vitro fertilisation?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    In-vitro fertilization (IVF) is a medical procedure where an egg is fertilized by sperm outside the body, in a laboratory dish. The fertilized egg, or embryo, is then implanted into the uterus to establish a pregnancy. IVF is a widely used method for couples who have difficulty conceiving naturally. Therefore, it is true that you can have a baby by having in-vitro fertilization.

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  • 7. 

    An allele is ________

    • Part of a chromosome.

    • A different form of gene.

    • Inside the Nucleus.

    Correct Answer
    A. A different form of gene.
    Explanation
    An allele refers to a different form of a gene. Genes are segments of DNA that determine specific traits or characteristics in an organism. Each gene can have multiple forms, known as alleles, which can vary in their sequence and ultimately result in different variations of the trait controlled by that gene. Therefore, the correct answer is "a different form of gene."

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  • 8. 

    What is in-vitro fertilisation?

    • An inherited disease

    • Baby can't be born the normal way.

    • Someone has a test to see if the baby has any genetic diseases.

    Correct Answer
    A. Someone has a test to see if the baby has any genetic diseases.
    Explanation
    The correct answer is "Someone has a test to see if the baby has any genetic diseases." This explanation aligns with the concept of in-vitro fertilization (IVF), which involves fertilizing an egg with sperm outside of the body and then implanting the resulting embryo into the uterus. IVF allows for preimplantation genetic testing, where embryos can be screened for genetic diseases before being implanted, reducing the risk of passing on inherited diseases to the baby.

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  • 9. 

    If someone had Cystic Fibrosis and the parents were a carrier of the inherited disease what would be the Genotype?

    • Cf

    • CF

    • Cf

    Correct Answer
    A. Cf
    Explanation
    If someone has Cystic Fibrosis and their parents are carriers of the inherited disease, the genotype of the person would be Cf. This is because Cystic Fibrosis is an autosomal recessive disorder, meaning that both copies of the gene (one from each parent) need to be mutated in order for the disease to be present. The lowercase "c" represents the mutated allele for Cystic Fibrosis, while the uppercase "F" represents the normal allele. Since the person has Cystic Fibrosis, they must have inherited the mutated allele from both parents.

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  • 10. 

    What order should the following  be in from smallest to largest?

    • Cell, Chromosome, Nucleus, Gene

    • Nucleus, Gene, Cell, Chromosome

    • Gene, Cell, Chromosome, Nucleus

    • Chromosome, Gene, Nucleus, Cell

    Correct Answer
    A. Gene, Cell, Chromosome, Nucleus
    Explanation
    The correct order from smallest to largest is Gene, Cell, Chromosome, Nucleus. Genes are the smallest units of heredity and are found within cells. Cells are the basic structural and functional units of living organisms. Chromosomes are structures within cells that contain genes. The nucleus is the central part of a cell that contains the chromosomes. Therefore, the correct order is Gene, Cell, Chromosome, Nucleus.

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  • 11. 

    A Gene is _________

    Correct Answer
    inside the Nucleus.
    a unit of inheritance.
    Explanation
    A gene is a unit of inheritance that is located inside the nucleus. It carries the genetic information that is passed down from one generation to the next. The nucleus is the organelle within a cell that contains the genetic material, including the genes. Therefore, the correct answer is that a gene is inside the nucleus and is a unit of inheritance.

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  • Current Version
  • Mar 17, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 02, 2010
    Quiz Created by
    456789
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