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(a) A child belongs to blood group 0 and the mother be-longs to group B. With the aid ...

(a) A child belongs to blood group 0 and the mother be-longs to group B. With the aid of genetic cross, state the possible blood groups of the father.
(b) (i) Name two forms of adaptive communication in animals
(ii) State two reasons why organisms communicate with one an-other.
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    Correct Answer: Option n
    Explanation:



    A child belongs to blood group 0 and the mother be-longs to group B. With the aid of a genetic cross. State the possible blood groups of the father
    (a) Genetic cross
    If the father is group A
    (b)i. Forms of adaptive communication

    Sound/auditory/acoustic
    visual; smell/chemical/ pheromones
    tactile
    electrical signal
    display.

    ii. Reasons why organisms communicate with one another

    for food
    maiting/reproduction
    territorial defence
    danger/threats/predator
    tracking routes.

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