KVPY Government Jobs Exams

Mendel showed that unit factors, now called alleles, exhibit a dominant/ recessive relationship. In a
monohybrid cross, the .................. trait disappears in the first filial generation
(A) dominant (B) co-dominant (C) recessive (D) semi-dominant

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recessive trait disappears
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KVPY Other Question

Vestigial organs such as the appendix exist because
(A) they had an important function during development which is not needed in the adult
(B) they have a redundant role to play if an organ with similar function fails
(C) nature cannot get rid of structures that have already formed
(D) they were inherited from an evolutionary ancestor in which they were functional If a man with an X-linked dominant disease has six sons with a woman having a normal complement of
genes, then the sons will
(A) not show any symptoms of the disease
(B) show strong symptoms of the disease
(C) three will show a disease symptom, while three will not
(D) five will show a disease symptom, while one will not