In human beings which of these types of sex chromosomes are found:
A.Two X chromosomes
B.One X chromosome
C.Both XY chromosomes
D.Only Y chromosome
Category: Human Genetics and Eugenics Mcqs
Twins formed by simultaneous fertilization of two different ova by two separate sperms are called:
A.Identical twins
B.Fraternal twins
C.Siameses twins
D.None of these
Albinism is exhibited by:
A.White skin, pink eyes and normal hair
B.Pink skin, pink eyes and white hairs
C.White hairs, normal eyes and pink skin
D.None of these
Rh-factor was discovered by:
A.Oandsteiner
B.Weiner
C.Both (a) & (b)
D.None of these
Who for the first time successfully interpreted alkaptonuria and phenylkeotnuia in man:
A.Garrod
B.Weinberg
C.Muller
D.None of these
In which of these situations the daughter of a colour blind fater can be colour blind:
A.If the mother is genotypically and phenotypically normal
B.If the mother is phenotypically normal but genotypically is carrier
C.If both of these conditions exist
D.If none of these conditions exist
If a normal woman marries an albino man and gets two normal and two albino sons then the woman is:
A.Homoxygous
B.Heterozygous
C.Hemizygous
D.Azygous
Rh factor is associated with:
A.Carbohydrate metabolism
B.Blood clotting
C.Blood transfusion and pregnancy
D.None of these
Which one of these is sex-linked inheritance?
A.Night blindness
B.Colour blindness or haemophilia
C.Disbetes melletus
D.Myopia
Which of these is totally a genetic disorder:
A.Albinism
B.Diptheria
C.Tuberculosis
D.Leucoderma
