Which of the following is not related to sex chromosome X or Y?
Turner's syndrome
Klinefelter's syndrome
Down's syndrome
Haemophilia and colour bindness
C.
Down's syndrome
Down's syndrome is not related to sex chromosome X or Y. It is due to the trisomy of 21st chromosome. The main characteristics are mental deficiency, short stature, round face, flaccid muscles, small ears, protruding tongue and epithelial folds over the eyes.
Process of maturation and development of sperms is called
oogenesis
spermatogenesis
spermiogenesis
None of these
Which of the following is a mismatch?
Amphetamine - a stimulant
Morphine - an opiate narcotic
LSD - a hallucinogen
Cocaine - a sedative/ tranquillizer
A normal woman is married with a man having hypertrichosis condition. They got one daughter and one son. What is the possibility of this daughter to have hypertrichosis condition?
0%
25%
50%
100%
Which of the following embryonic membranes structure is excretory in function?
Amnion
Allantois
Yolk sac
Vitelline chorion
Which of the following is a mismatch?
Giraffe - Lamarck
Drosophila - Morgan
Galapagos island - Darwin's finches
Origin of species - Mendel
Archaeopteryx is
a living fossil
a mammal
a connecting link between Annelida and Arthropoda
a connecting link between reptiles and birds
A woman has a haemophilic son and three normal children. Her genotype and that of her husband with respect to this gene would be
XX and XhY
XhXh and XhY
XhXh and XY
XhX and XY
The causative agent of filaria is
Wuchereria bancrofti
Leishmania donovani
Plasmodium vivax
Trypanosoma gambiens
