A. Non-disjunction
B. Segregation
C. Hybridization
D. Crossing over
Related Mcqs:
- In primary trisomic the extra chromosome is__________________?
A. Isochromosome
B. Traits located chromosome
C. Normal chromosome
D. None of the above - If a haploid chromosome number of a gymnosperm is 12 the chromosome in its endosperm will be__________________?
A. 6
B. 12
C. 24
D. 36 - Cells intercommunicates with neighbouring cells by_________________?
A. Plasmedesmata
B. Plasmalema
C. Trachieds
D. Nessels - An individual lacking only one chromosome from the diploid set is referred as_________________?
A. Nullisomic
B. Monosomic
C. Trisomic
D. Tetrasomic - All organism or cell having a chromosome number that is not an exact multiple of the monoploid or basic number is known as___________________?
A. Allopolyploid
B. Autopolyploid
C. Aneuploid
D. Euploid - The smallest unit of recombination in the chromosome is called___________________?
A. Gene
B. Chromosome
C. Citron
D. Recon - The chromosome number of human race is__________________?
A. 48
B. 41
C. 44
D. 46 - A species or type of a plant derived from doubling the chromosome of the F1 hybrid of two known species is known as__________________?
A. Autodiploid
B. Hexaploid
C. Autopolyploid
D. Amphidiploid - 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 - Name chromosome was coined by ___________________?
A. Van Beneden
B. T. Boveri
C. Walleye
D. Aluman