1. An odd number of cross overs in the inverted region will result into formation of a dicentric chromatid and acentric chromatid at anaphase I incase of
A. pericentric inversion
B. paracentric inversion
C. double inversion
D. none of these
2. The percentage of the individual with a given genotype, which exhibits the associated phenotype, is defined as
A. penetrance
B. expressivity
C. inheritance percent
D. environmental influence
3. Diethylstilbestrol (DES), a synthetic estrogen causes
A. chromosome lagging
B. disruption of mitotic spindle
C. centriole elongation
D. all of the above
4. Bar eye character of Drosophila is due to
A. duplication in region of 16A of X chromosome
B. deletion in region of 16A of X chromosome
C. due to presence of additional X-chromosome
D. due to a point mutation in eye-locus
5. Transmission of a gene from male parent to female child to male grandchild is known as
A. holandric inheritance
B. quantitative inheritance
C. criss-cross inheritance
D. maternal inheritance
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