Normally sex-linkedgenes are located in X-chormosome in man this indicates that:
A.Y chromosome is longer than X
B.Entire set of genes on X chromosome is different than Y
C.X chromosome is longer than Y
D.X chromosome is dominant over Y
Category: Human Genetics and Eugenics Mcqs
Identical twins develop from:
A.An ovum fertilized by two sperms
B.An egg developing from parthenogenesis and its blastomeres separating from each other
C.Fertilization of two ova simulataneously by two ova simulataneously by two sperms
D.A single fertilized egg whose blastomeres separating after 1st cleavage
A person of blood group AB can receive blood from donor of:
A.A – group
B.B – group
C.AB – group
D.All group
Which of these disorders in genetically similar to haemophilia:
A.Colour blindness
B.Albinism
C.Night blindness
D.None of these
Man has which of these numbers of chromosomes:
A.23
B.46
C.22
D.44
ABO Blood groups were discovered by:
A.Lansteiner
B.Bernstein
C.Weiner
D.Lavine
A son must be born to a couple when:
A.Mother eats well during the period of pregnancy
B.Father has good health than the mother
C.The zygote composition has XY combination
D.The zygote composition has XX chromosomes
If two opposite alleles come close together, one of the two finds morphological expression masking other in the body of the organism, the fact is described is:
A.Law of inheritance
B.Law of dominance
C.Law of segregation
D.None of these
Sickle-cell anaemia is exhibited by:
A.Reduction in RBCs due to excess oxygen tension
B.Defect in beta-chain of haemoglobin
C.Defect in alpha-chain of haemoglobin
D.None of these
