A. Occurrence of crossing over
B. The crossing over between non homologous chromosomes
C. Occurrence of karyokinesis
D. The failure of homologous chromosomes to separate during meiosis
Related Mcqs:
- A polyploidy species with genomes derived from the same original species is an_________________?
A. Allopolyploidy
B. Amphidiploids
C. Annapolis
D. Autopolyploid - Auto polyploidy have been successfully exploited in _________?
A. Sugar beat
B. Sugarcane
C. Maize
D. SunflowerSubmitted by: Abbas khan
- As a result of linkage and crossingover _____________________?
A. Chromatids become chromosomes
B. Nuclear division come to close
C. Chromosomes become half in number
D. Exchange of chromosomal material - 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 - Drought tolerance is associated with ____________________?
A. Deep root system
B. Small waxy and thick leaves
C. Sunken, small and less stomata
D. All of the above - The most recent evolved plant group is ____________________?
A. Confers
B. Mosses
C. grasses
D. Gymnosperm
