(A) GAA, CAT
(B) CAT, CAT
(C) GTA, CAU
(D) GUA, CAU
The X-ray diffraction studies by __ played key role of discovery of DNA structure.
(A) Franklin
(B) Watson and Crick
(C) Meselson and Stahl
(D) Chargaff
Which of the following is correct with for aneuploidy?
(A) 3n+1
(B) 4n+1
(C) All individuals die before birth
(D) 2n+1
The genetic disorder Sickle cell anemia is an example of?
(A) Pleiotropy
(B) Heterozygous dominance
(C) Epistasis
(D) Homozygous dominance
During meiosis the chromatids become the daughter chromosomes during?
(A) Prophase I
(B) Metaphase II
(C) Anaphase II
(D) Telophase I
Why are there more males with color blindness than females?
(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
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
A fear in which sources of fear is vague is called?
(A) Curiosity
(B) Anger
(C) Anxiety
(D) None of the above