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Midterm Review

Quiz by Myesha James

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35 questions
Show answers
  • Q1
    Cystic fibrosis is an incurable disease caused by a defective gene that can be detected by genetic testing. Currently, researchers are attempting to cure patients with cystic fibrosis using gene therapy. This process involves replacing the defective gene with a normal gene. However, older or very young patients undergoing gene therapy still show symptoms of cystic fibrosis. Which statement explains why some genetic diseases are difficult to identify and cure?
    Genetic diseases are highly resistant to the human body’s immune system and resist all forms of treatment.
    Genetic diseases are found in a small number of families and cannot be researched in detail.
    Genetic diseases are coded in the DNA in all of the cells of the body and cannot be specifically targeted.
    Genetic diseases are highly contagious and spread too quickly to identify and cure.
    60s
  • Q2
    Offspring inherit chromosomes from their parents. All of the physical features in offspring are controlled by genes. Which statement is true about the relationship between chromosomes and genes?
    Chromosomes are made up of numerous genes.
    Genes are the smallest unit of chromosomes
    Genes are made up of chromosomes.
    Chromosomes are the smallest unit of genes.
    60s
  • Q3
    A student reads that sperm and egg cells contain 23 chromosomes each. The height of a human being is controlled by multiple genes and alleles, which are present on the chromosomes found in each egg and sperm cell. When an egg and sperm cell fuse, they form a new cell containing 46 chromosomes with all of the genes and alleles necessary to determine height. This new cell further divides and develops into a human being. What is the relationship between genes and chromosomes for the trait of height in a human being?
    Height in a human being is determined by the sets of chromosomes found on genes obtained from each parent.
    Height in a human being is determined by the sets of genes found on chromosomes obtained from each parent.
    Height in a human being is determined by the sets of genes found on chromosomes obtained from one parent.
    Height in a human being is determined by the sets of chromosomes found on genes obtained from one parent.
    60s
  • Q4
    Which statement best describes DNA’s relationship to a gene and chromosome?
    A gene is a short section of DNA, and a chromosome is made from DNA.
    A gene contains several chromosomes, and chromosomes are made from DNA.
    DNA is made of chromosomes, and a gene contains DNA.
    DNA is coiled into a chromosome, and a gene holds the chromosome together.
    60s
  • Q5
    A mother has detached earlobes, and the father has attached earlobes. Their offspring has detached earlobes. Why does the offspring develop detached earlobes?
    The offspring inherits the detached earlobes gene from a parent
    The gene for detached earlobes is mutated in the offspring.
    The gene for detached earlobes is chosen after birth.
    The offspring develops a new gene that codes for detached earlobes.
    60s
  • Q6
    Which term best describes the process that increases the quantity of cells?
    nutrition
    locomotion
    respiration
    mitosis
    60s
  • Q7
    What would likely happen if a multicellular organism no longer performed mitosis?
    The organism would generate new cells only by the process of meiosis.
    The organism would rely on gaining cells from other nearby organisms.
    The organism would adapt to function without the use of cells.
    The organism would die as it is no longer able to replace damaged cells.
    60s
  • Q8
    A gardener cut her finger while pruning shrubs. She noticed that after two weeks the wound had nearly healed with just a small scar remaining. Which statement describes what will happen next?
    A material will be released by the injured cells that will cover the wound and repair the cells.
    Each one of the individual cells near the wound will grow in size to cover the injured part.
    The cells near the wound will produce identical cells by mitosis to repair the damaged tissues.
    Cells will be transported from distant areas to the wound to cover the injured area.
    60s
  • Q9
    Domestic cats transfer their genetic information to their offspring by meiosis. If a kitten has 38 chromosomes, how many chromosomes does the kitten inherit from its mother?
    30 chromosomes
    19 chromosomes
    12 chromosomes
    38 chromosomes
    60s
  • Q10
    Which statement accurately describes how genetic information is transferred during meiosis?
    Meiosis creates four daughter cells that have half the number of chromosomes that are present in the parent cells.
    Meiosis creates two daughter cells that have half the number of chromosomes that are present in the parent cells.
    Meiosis creates four daughter cells that have identical genetic information to the parent cells.
    Meiosis creates two daughter cells that have identical genetic information to the parent cells.
    60s
  • Q11
    James has blue eyes like his father and a widow's peak like his mother. What explains James having similar traits as his parents?
    inheritance of genes from his parents
    performing similar activities like his parents
    living together with his parents
    observing and learning from his parents
    60s
  • Q12
    Organisms in nature reproduce to multiply their species. Which organism creates offspring through sexual reproduction?
    Volvox is a type of green algae made up of identical cell groups called colonies.
    Salmonella is a bacterium that can invade human cells and rapidly generate copies of itself.
    Sea horses are types of fish that mate for life with the same partner.
    Amoebas are single-celled organisms that can divide every 48 hours in optimum conditions.
    60s
  • Q13
    What is a disadvantage for organisms that reproduce asexually rather than sexually?
    The offspring take more time to grow and develop.
    The offspring are genetically identical to each other, which reduces their ability to adapt to any changes in the environment.
    The offspring resemble the parent, which makes it difficult to distinguish them from each other.
    The offspring receive less genetic material.
    60s
  • Q14
    Which statement correctly describes a difference between asexual and sexual reproduction?
    Asexually reproduced offspring have less variety in their genetic information than sexually reproduced offspring.
    Asexually reproducing organisms do not have DNA, while sexually reproducing organisms have DNA.
    Asexually reproduced offspring have the same amount of genetic information as the parent, while sexually reproduced offspring have half as much genetic information as a parent.
    Asexual reproduction in organisms takes longer than sexual reproduction due to the time required to find a mate.
    60s
  • Q15
    The white-tailed deer is found in the temperate forests of the United States and southern Canada. Its fur color changes from reddish-brown to gray-white, and the texture changes from a solid, thin, short hair undercoat to a long, thick, hollow hair. A scientist observes that this change occurs in regular intervals. Which feature of temperate forests has led to these adaptations in white-tailed deer?
    large diversity of deer species
    hot summers and harsh, cold winters
    large diversity of plants and grasses to eat
    variations in precipitation rates
    60s

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