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In two pea plants having red (dominant) coloured flowers with unknown genotypes are crossed, 75% of the flowers are red and 25% are white. The genotypic constitution of the parents having red coloured flowers will be
Holandric genes are located
Holandric genes are the Y-linked genes. The Y-linked type sex-linked inheritance is performed by those genes which are localised in the non-homologous sections of Y-chromosome and that have no alleles in X-chromosome.
Which one of the following disorders and characteristic is correctly matched?
Cystic fibrosis - Produciton of thick mucous that cloge airways
Sickle cell anaemia - Defective haemoglobin in RBCs, effect on oxygen transport, tendency to form clots in vessels
Achondroplasia - Dwarfism
Huntingon's disease - Progressive deterioration of brain cells.
Who is known as father of physiological genetics or father of biochemical genetics ?
Sir Archibald Edward Garrod was an English physician, who poineered the field of inborn errors of metabolism. He was born on Novermber 25, 1857, in London and died on March 28, 1936, in Cambridge.
For how many years Gregor Mendel conducted hybridisation experiments on garden peas?
NCERT Page No. 70
James Watson and Francis Crick got Nobel prize in the year
NCERT Page No. 68
How many true breeding pea plant varieties had been selected by Mendel?
NCERT Page No. 70
A true-breeding plant line can be obtained by
NCERT Page No. 70
How many pairs of contrasting traits studied by Mendel were related to pod?
NCERT Page No. 70
Which of the following does not contribute to Mendel’s success?
NCERT Page No. 70
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