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NCSCOS Grade 7 Science - 7.L.2.1 Mitosis / Meiosis

Quiz by NCDPI

Grade 7
Science
North Carolina Standard Course of Study

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10 questions
Show answers
  • Q1
    Which BEST describes sexual reproduction in all animals?
    Egg and sperm join together.
    Pollen and seed join together.
    Offspring are identical to one parent.
    Offspring have traits of only one parent.
    30s
    7.L.2.1
  • Q2
    In animals, what passes the mother’s DNA to offspring?
    pollen
    sperm
    seeds
    eggs
    30s
    7.L.2.1
  • Q3
    What types of cells are found only in organisms that reproduce sexually?
    neurons
    gametes
    blood cells
    skin cells
    30s
    7.L.2.1
  • Q4
    Mitosis and meiosis are similar processes. Which BEST describes what can only occur after meiosis?
    The number of chromosomes per nucleus remains the same after division.
    Products of cell division result in identical genotypes.
    Four daughter cells are produced by a single parent cell.
    Parent cells can be either haploid or diploid.
    30s
    7.L.2.1
  • Q5
    A parent cell includes the alleles B and b for a trait. When the cell divides, each daughter cell inherits one allele. What does this process indicate about the organism from which the parent cell originated?
    it has genetic mutations
    it reproduces sexually
    it reproduces asexually
    it is unicellular
    30s
    7.L.2.1
  • Q6
    Which of these is accomplished by the interaction of haploid cells in sexually reproducing organisms?
    production of a zygote with a complete set of chromosomes with genetic material from two parents
    production of offspring with identical chromosomal combinations from both parents
    elimination of genes that selection pressures are acting against
    deletion of genetic material that has mutated
    30s
    7.L.2.1
  • Q7
    Which process that occurs during meiosis contributes to a gamete having unique genetic material?
    transcription
    crossing over
    spindle formation
    replication
    30s
    7.L.2.1
  • Q8
    Meiosis is a type of cell division in which diploid divide to produce haploid cells. Where does meiosis occur?
    muscle
    brain
    ovary
    bone
    30s
    7.L.2.1
  • Q9
    An elephant has 62 chromosomes in each body cell. How many chromosomes are in the EGG cell of an elephant?
    62
    244
    122
    31
    30s
    7.L.2.1
  • Q10
    What is the main goal of MITOSIS?
    growth, repair and replacement of cells
    causing the DNA to disappear
    creation of sex cells for reproduction
    producing haploid cells
    30s
    7.L.2.1

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