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%
A.
0%
The inheritance of hypertrichosis is controlled by holandric genes present on the non-homologous part of Y-chromosome. These genes are usually received and usually expressed by all the male descendants of affected male generation after generation while female descendants, being lacking this non-homologous Y-region could neither receive, express, nor transmit such a trait.
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
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
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
