(A) The gene is found on Y chromosome
(B) The recessive gene is usually masked by another X chromosome in female.
(C) Color blindness is X linked dominant trait
(D) None of the above
Tag: Zoology mcqs
Why is there is no duplication of DNA between Meiosis-I and Meiosis-II?
(A) To produce genetically identical cells
(B) To increase genetic variability
(C) The chromosomes duplicate twice during meiosis
(D) To reduce the chromosome number to haploid in the resulting daughter cells
Which of the following is responsible to cause Klinefelter syndrome?
(A) XXY
(B) XO
(C) XX
(D) XYY
There are the free living platyheminthes?
(A) Trematodes
(B) Cestode
(C) Turbelleria
(D) Nematodes
The nervous system was first developed in?
(A) Cnidaria
(B) Annelida
(C) Flat worms
(D) Sponges
The class of Corals is?
(A) Anthozoa
(B) Scyphozoa
(C) Hydrozoa
(D) Actinozoa
Sycon belongs to class?
(A) Demospongia
(B) Hexatinellida
(C) Calcarea
(D) Porifera
Larvae of the sponges are called?
(A) Trochophore
(B) Amphiblasula
(C) Pinnaria
(D) Sagetaria