Description : Genetic chromosome number is
Last Answer : Ans. n
Description : Basic chromosome/Genomic number is
Last Answer : Ans. X
Description : The major genetic constituent of chromosome
Last Answer : Ans. DNA
Description : Which part of the chromosome is known as primary constriction?
Last Answer : Ans. Centromere
Description : What is the fundamental unit of chromosome?
Last Answer : Ans. Chromatin
Description : Who coined the term chromosome?
Last Answer : Ans. Waldeyer (1888)
Description : Who firstly discovered chromosome?
Last Answer : Ans. Strasburger (1875)
Description : Down Syndrome, a congenital genetic disorder in human beings, is cased by : (a) a defective recessive gene in homozygous condition (b) an extra x chromosome (c) trisomy of chromosome 18 (d) trisomy of chromosome 21
Last Answer : Ans:(d)
Description : Which causes the presence of an extra X- chromosome in male?
Last Answer : Klinefelter's syndrome
Description : An abnormal human male phenotype involving an extra X-chromosome (XXY) is a case of (a) Edward’s syndrome (b) Klinefelter’s syndrome (c) intersex (d) Down’s syndrome.
Last Answer : (b) Klinefelter’s syndrome
Description : .In which of the following diseases, the man has an extra X-chromosome? (a) Turner’s syndrome (b) Klinefelter’s syndrome (c) Down’s syndrome (d) Haemophilia
Description : Down’s syndrome is caused by an extra copy of chromosome number 21. What percentage of offspring produced by an affected mother and a normal father would be affected by this disorder? (a) 100% (b) 75% (c) 50% (d) 25%
Last Answer : (c) 50%
Description : Extra early maturing variety of brinjal
Last Answer : Ans. Pusa purple long
Description : A self replicating, extra-chromosomal genetic material found in plant cell
Last Answer : Ans. Plastids