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Justify the following terms/statements w...

Justify the following terms/statements w.r.t mode of reproduction which is slow and complex .
(a) Biparental
(b) Offsprings show variations
(c ) Sex calle involvement

Text Solution

Verified by Experts

(a) Involvement of two parents forming male and female gamete.
(b) Variation arises due to contribution of genetic material from two different gametes
(c ) Formation and fusion of gametes is involved.
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Knowledge Check

  • Which of the following is correct w.r.t. sexual reproduction?

    A
    It can occur between individuals of different species.
    B
    It involves fusion of gametes only within the body.
    C
    It produces offsprings identical with the parents.
    D
    It induces variations and enhances the genetic diversity in a population.
  • Which of the following statement is false w.r.t adaptations?

    A
    Many xerophytic plants have thick cuticle on leaf epidermis, sunken stomata
    B
    Some xerophytic plants have special photosynthetic pathway (CAM) that enables their stomata close during day
    C
    Opuntia has spines (modified leaves), photosynthetic phylloclade (stem)
    D
    All adaptations are genetically fixed in all organisms
  • Which of the following statement is not true w.r.t. nephron?

    A
    Cortical nephrons are more common.
    B
    Cortical nephrons lack vasa recta.
    C
    In juxtamedullary nephrons, the blood first passes through vasa recta and then through the capillaries of glomerulus
    D
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