A. Chromatids become chromosomes
B. Nuclear division come to close
C. Chromosomes become half in number
D. Exchange of chromosomal material
Related Mcqs:
- Linkage of hereditary units was discounted by__________________?
A. W. Batson and B.C Pun net
B. T.B. Morgan and G. Mendel
C. W.S. Sutton and K. R. Porter
D. C.B. Bridges and G.H. Shull - Maize has 10 pairs of chromosomes. how many linkage groups will be present if all the genes are mapped__________________?
A. 10
B. 20
C. 40
D. 15 - The first attempt to show linkage in plants were done in____________________?
A. Lathers odorous
B. Another Lamarckian
C. Possum sativa
D. Zeal Mays - Where would you look for active cell division in a plant _____________________?
A. Pith cells
B. Cortex cells
C. Internodes regions
D. Tips of stem & roots - A rearrangement of a group of genes in a chromosome in such a way that their order in the chromosomes is reversed is known as _____________________?
A. Inversion
B. Conversion
C. Recessive gene
D. Realignment - The spread of genes from one breeding population to another by migration which may result in changes in gene frequency is called__________________?
A. Gene flow
B. Genetic drift
C. Gene frequency
D. None of the above - If the offspring of F, (blue) is crossed with white male parent the result will be______________________?
A. All blue
B. All white
C. All black
D. Half blue and half white - Many groups of insects have developed resistance to DDT and other insecticides as a result of____________________?
A. Crossing over
B. Polyploidy
C. Segregation
D. Gene mutation - mitosis is the normal process in a living cell but sudden and abnormal mitosis in an organ will some time result in__________________?
A. Cancer
B. Zygote
C. Gastrula
D. New organ - The spread of genes from one breeding population to another by migration which may result in changes in gene frequency is called________________?
A. Gene flow
B. Genetic drift
C. Gene frequency
D. None of the above
