(i) Meiosis - Leads to formation of chiasmata hence crossing over
(ii) Fertilization - Mixing of genes (random mating) resulting in variations
raphael answered the question on September 13, 2017 at 12:12
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State how the following parts of male reproductive system are adapted to their function (i) Vas deferens (ii) Epididymis
(Solved)
State how the following parts of male reproductive system are adapted to their function (i) Vas deferens (ii) Epididymis
Date posted:
September 13, 2017
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Answers (1)
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Outline two scientific skills that would be needed in carrying out an experiment on translocation of food in plants from the leaves to the rest...
(Solved)
Outline two scientific skills that would be needed in carrying out an experiment on translocation of food in plants from the leaves to the rest of the plant
Date posted:
September 13, 2017
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Answers (1)
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Which biological tool would be useful to an entomologist when collecting termites on the surface of a rock?
(Solved)
Which biological tool would be useful to an entomologist when collecting termites on the surface of a rock?
Date posted:
September 13, 2017
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Answers (1)
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What are the weaknesses in Lamarck's theory of evolution?
(Solved)
Identify the weaknesses in Lamarck's theory of evolution
Date posted:
September 13, 2017
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Answers (1)
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State the Lamarck's theory of evolution
(Solved)
State the Lamarck's theory of evolution
Date posted:
September 13, 2017
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Answers (1)
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Seed viability is one of the internal conditions necessary for germination. State two factors that may lead to loss of viability
(Solved)
Seed viability is one of the internal conditions necessary for germination. Give two factors that may lead to loss of viability
Date posted:
September 13, 2017
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Answers (1)
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Give a reason why mammalian lungs are enclosed in an air-tight pleural membrane
(Solved)
Give a reason why mammalian lungs are enclosed in an air-tight pleural membrane
Date posted:
September 13, 2017
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Answers (1)
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Why do guard cells lie in close association with epidermal cells?
(Solved)
Why do guard cells lie in close association with epidermal cells?
Date posted:
September 13, 2017
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Answers (1)
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Why is birth spacing important?
(Solved)
Why is birth spacing important?
Date posted:
September 13, 2017
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Answers (1)
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Which cell organelles would be high number in (i) Enzyme secreting cell (ii) Rapidly respiring cell
(Solved)
Which cell organelles would be high number in (i) Enzyme secreting cell (ii) Rapidly respiring cell
Date posted:
September 12, 2017
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Answers (1)
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Give the meaning of the following terms (i) Hypogynous flower (ii) Pistillate flower
(Solved)
Give the meaning of the following terms (i) Hypogynous flower (ii) Pistillate flower
Date posted:
September 12, 2017
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Answers (1)
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Apart from glucose, give two other products formed during dark stage of photosynthesis
(Solved)
Apart from glucose, give two other products formed during dark stage of photosynthesis
Date posted:
September 12, 2017
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Answers (1)
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Briefly explain what happens during the light stage of photosynthesis
(Solved)
Briefly explain what happens during the light stage of photosynthesis
Date posted:
September 12, 2017
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Answers (1)
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State two adaptations of tracheal system in insect to its functions
(Solved)
State two adaptations of tracheal system in insect to its functions
Date posted:
September 12, 2017
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Answers (1)
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Discuss the motor sensory and perceptual development of a child
(Solved)
Discuss the motor sensory and perceptual development of a child
Date posted:
September 7, 2017
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Answers (1)
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Name the blood vessel that transports blood from cardiac muscles to vena cava
(Solved)
What is the name of the blood vessel that transports blood from cardiac muscles to vena cava?
Date posted:
September 5, 2017
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Answers (1)
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Name the blood vessel that transports blood from small intestine to the liver
(Solved)
What is the name given to the blood vessel that transports blood from small intestine to the liver?
Date posted:
September 5, 2017
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Answers (1)
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The diagram below represents bones at a joint found in the hind limb of a mammal.
(Solved)
The diagram below represents bones at a joint found in the hind limb of a mammal.
(a) Name the bones labeled X, Y and Z
(b) (i) Name the substance found in the place labeled W.
(ii) State the function of the substance named in (b) (i) above.
(c) Name the structure that joins the bones together at the joint.
(d) State the differences between ball and socket joint and the one illustrated in the diagram above.
(e) Name the structure at the elbow that performs the same function as the same function as the patella.
Date posted:
May 26, 2017
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Answers (1)
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State the characteristics that is common to all cervical vertebrae.
(Solved)
State the characteristics that is common to all cervical vertebrae.
Date posted:
May 26, 2017
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Answers (1)
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Name the type of skeleton that makes up each of the following animals:
(a) locust (b) bird
(Solved)
Name the type of skeleton that makes up each of the following animals:
(a) locust (b) bird
Date posted:
May 26, 2017
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Answers (1)