The blood group _________ is called universal donor.

(a)

A

(b)

AB

(c)

B

(d)

O

The blood group _________ is called universal recipient.

(a)

O

(b)

AB

(c)

B

(d)

A

The ABO blood group was discovered by ________.

(a)

Sturli

(b)

Decastelle

(c)

Landsteiner

(d)

Alexander wiener

The inheritance of blood group is determined by multiple alleles as discovered by _________.

(a)

Landsteiner

(b)

Bernstein

(c)

Alexander castelle

(d)

lyon

The__________ is called null allele.

(a)

I^A

(b)

I^OI^B

(c)

I^O

(d)

I^BI^B

The secretors have the I allele in _______.

(a)

tears

(b)

Gastric juice

(c)

Saliva

(d)

All of these

_________ proposed the existence of 8 alleles at a single Rh locus.

(a)

Fischer

(b)

Landsteiner

(c)

Bernstein

(d)

Wiener

XX - XO type of sex determination is in ______.

(a)

Cockroaches

(b)

Drosophila

(c)

Humans

(d)

Moths

The lygaeus type (XX - XY) type of sex determination is seen in ______

(a)

Fishes

(b)

Chickens

(c)

Human beings

(d)

Gypsy moth

The ZO - ZZ type of sex determination is seen is _______.

(a)

moths

(b)

Reptiles

(c)

Human beings

(d)

Bugs

The ZW - ZZ type of sex determination is seen ________.

(a)

Butterflies

(b)

Drosophila

(c)

Gypsy moth

(d)

Human being

Sex index is applicable to ________.

(a)

Homogenetic condition

(b)

Heterogametic condition

(c)

Genic balance

(d)

Gynandromorphs

X chromosomes was discovered by _________.

(a)

Landsteiner

(b)

Henking

(c)

Stevens

(d)

Bridges

Y chromosomes was discovered by ________.

(a)

Stevens

(b)

Landsteiner

(c)

Henking

(d)

Wiener

__________ was first reported by John Cotto.

(a)

Erythroblastosis foetalis

(b)

Haemophilia

(c)

Colour blindness

(d)

Haplodiploidy