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HDHS Trilogy B12 Checkpoint quiz: Reproduction

Quiz by Alexandra Gill

GCSE (AQA)
Combined Science: Trilogy
English National Curriculum

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14 questions
Show answers
  • Q1
    What is an advantage of sexual reproduction?
    Is a fast process
    Produces variation
    Only one parent needed
    Is energy efficient
    30s
    4.6.1.1
  • Q2
    Name the process that produces gametes.
    Meiosis
    Mitosis
    Fertilisation
    Variation
    30s
    4.6.1.2
  • Q3
    What is the meaning of the term gene?
    A section of DNA that codes for a protein
    A single nucleotide of DNA
    A section of DNA that codes for one amino acid
    One of the bases of DNA
    30s
    4.6.1.3
  • Q4
    Which of the following is an inherited disorder?
    measles
    malaria
    HIV
    cystic fibrosis
    30s
    4.6.1.5
  • Q5
    The allele for brown eyes is B and the allele for blue eyes is b. Which of the following genotypes is homozygous dominant?
    BB
    bB
    Bb
    bb
    30s
    4.6.1.4
  • Q6
    Which sex chromosome or chromosomes can be found in sperm?
    Y only
    X only
    X or Y
    X and Y
    30s
    4.6.1.3
  • Q7
    Why does asexual reproduction result in no variation in the offspring?
    Gametes are produced by the parents
    The chromosomes in the offspring are found in pairs
    The offspring contain exactly the same genetic material as the parent
    The offspring contain a mixture of genetic information from both parents
    30s
    4.6.1.1
  • Q8
    Which inherited disorder is caused by inheriting two recessive alleles?
    Cystic fibrosis
    Neither cystic fibrosis nor polydactyly
    Polydactyly
    Both cystic fibrosis and polydactyly
    30s
    4.6.1.5
  • Q9
    The allele for grey fur in mice is recessive. The allele for black fur is dominant. Which genotypes show a black mouse?
    Only gg
    Gg or gg
    gg or GG
    Gg or GG
    30s
    4.6.1.4
  • Q10
    Which is not an application of research on understanding the human genome?
    A greater understanding of human migration patterns
    Developing new antibiotics
    Improving gene therapy to treat inherited disorders
    Developing personalised treatments for diseases
    30s
    4.6.1.3
  • Q11
    Which statement about the human genome is true?
    The human genome was the first genome to be sequenced.
    The human genome contains around 2000 genes.
    Humans are the species with the largest genome.
    Mitochondria has its own DNA.
    30s
    4.6.1.3
  • Q12
    Which row from the table shows the features of amniocentesis?
    Question Image
    B
    C
    D
    A
    30s
    4.6.1.6
  • Q13
    B is the allele for brown eyes and b is the allele for blue eyes. Calculate the probability of a blue-eyed child if the parents had the genotype Bb and bb.
    25%
    50%
    75%
    0%
    30s
    4.6.1.4
  • Q14
    An organism had 24 chromosomes in the nucleus of one of its body cells. How many chromosomes would there be in a sperm cell and a skin cell from the same organism?
    sperm cell: 12, skin cell: 12
    sperm cell: 24, skin cell: 12
    sperm cell: 12, skin cell: 24
    sperm cell: 24, skin cell: 24
    30s
    4.6.1.6

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