Skin Conditions Quiz
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Questions and Answers

What is the term used to describe the situation when neither of two alleles is dominant over the other, resulting in a blending of traits?

  • Sex-linked inheritance
  • Incomplete dominance (correct)
  • Sex-influenced inheritance
  • Codominance
  • What is the common function of root hairs, lenticels, and pneumatophores in plants?

  • Absorption of nutrients
  • Maintenance of hydrostatic pressure
  • Anchorage of the plant to its substrate
  • Exchange of gases (correct)
  • In ecological succession, what can be expected in an ecosystem that transforms from a forest to a grassland due to a forest fire?

  • I only II only I and III only II and III only
  • Previous organisms will still be living there since it is their original habitat.
  • New organisms will invade the place.
  • Most of the organisms will be gone or displaced since the new ecosystem is not the same as the previous one. (correct)
  • During which stage of early mammalian development can cells be removed without damaging the embryo's development?

    <p>Gastrulation stage</p> Signup and view all the answers

    If a pregnant woman's prenatal screening reveals Trisomy 21, what effect could this genetic disorder have on the child's development?

    <p>I and III only</p> Signup and view all the answers

    Which cell type in the heart is responsible for initiating the heartbeat?

    <p>Sinoatrial node</p> Signup and view all the answers

    In meiosis, crossing over occurs during which phase?

    <p>Prophase I</p> Signup and view all the answers

    What is the role of the vascular cambium in a woody eudicot stem?

    <p>Produces new xylem and phloem</p> Signup and view all the answers

    Which process characterizes cell cleavage?

    <p>Increase in cell number and genetic material</p> Signup and view all the answers

    What is the primary function of the corpus luteum in the female reproductive system?

    <p>Preparation of endometrium for implantation</p> Signup and view all the answers

    During which phase of the cardiac cycle does the heart relax and fill with blood?

    <p>Diastole</p> Signup and view all the answers

    Which molecule acts as a plant hormone promoting ripening, and inhibited by carbon dioxide?

    <p>Ethylene</p> Signup and view all the answers

    What does anabolic processes do in terms of energy consumption?

    <p>Build complex molecules from simpler ones</p> Signup and view all the answers

    What chromosomal abnormality is characterized by an extra or missing chromosome?

    <p>Aneuploidy</p> Signup and view all the answers

    Where does spermatogenesis primarily occur in males?

    <p>Seminiferous tubules</p> Signup and view all the answers

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