Erythroblastosis foetalis commonly happen when….
a) father Rh+, mother Rh- and foetus Rh-
b) father Rh+, mother Rh- and foetus Rh+
c) father Rh+, mother Rh+ and foetus Rh-
d) father Rh-, mother Rh- and foetus Rh+
Many genes controlling single trait are called…..
a) multiple alleles
b) multiple genes
c) polygenes
d) polyalleles
The gene which suppresses or masks the effect of action of a gene at another locus is called…….gene.
a) epistatic gene
b) inhibiting gene
c) hypostatic gene
d) both a and b
Gene linkage can be easily detected by performing a……...
a) back cross
b) test cross
c) monohybrid cross
d) dihybrid cross
XY-XX type pattern of sex determination is found in ……
a) Drosophila
b) human
c) grasshopper
d) both a and b
XO-XX type pattern of sex determination is found in ……
a) protenor bug
b) human
c) grasshopper
d) both a and c
