Question
Draw the diagram external features of the heart.
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TT x Tt
(Capital letters show dominance)
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(i) Give the phenotype of $F_1$ progeny.
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(iii) Give the phenotypic ratio of $F_2$ progeny.
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→(i) Give the phenotype of $F_1$ progeny.
(ii) Give the phenotypes of $F_2$ progeny produced upon by the self-pollination of $F_1$ progeny.
(iii) Give the phenotypic ratio of $F_2$ progeny.
(iv) Name and explain the law induced by Mendel on the basis of the above observation.
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(iv) Describe the mechanism which brings about the change in the structure depicted in A and B.
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(iii) What is the most apparent difference between A and B in the structure shown?
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Which glands are responsible for the following disease?
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(iii) Mention two points of differences between submetacentric and metacentric chromosomes.
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(ii) How does the uterus prepare for the reception of a zygote?
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(iv) What happens to the uterus if fertilization has failed to take place?
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(ii) How does the uterus prepare for the reception of a zygote?
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