A. They are recessive and carried by heterozygous individuals
B. Genetic drift occurs because of a small population in to offsprings
C. Making possible reproduction in all types of environments
D. They have future survival value
Related Mcqs:
- A gene which enhances the natural mutations rate of another gene in the same genome is kanown as___________________?
A. Mutable gene
B. Mutator gene
C. Recepror gene
D. Articulator gene - Concept of gene for gene hypothesis was developed in____________________?
A. Linseed
B. Oat
C. Gram
D. Tomato - Gene for gene hypothesis was proposed by__________________?
A. Nelson (1973)
B. Flor (1956)
C. Robinson (1971)
D. Vander plank (1963) - The suppression of the action of a gene or genes by a gene or genes not allelomorphic to these suppressed is known as __________________?
A. Episode
B. Co dominance
C. Epistasis
D. Dominance - Global gene pool rice is maintained at_________________?
A. China
B. IRRI Philippines
C. Mexico
D. None of the above - Gene pool consist of____________________?
A. Modern cultivars
B. Advanced breeding materials
C. Land race
D. All the above - haploids are better for mutation studies because in them all the mutations whether recessive or dominant are expressed as_______________?
A. There are many alleles of each gene in each call
B. There are two alleles of each gene in each cell
C. There is only one alleles of each gene present in each cell
D. Non3e4 of the above - Presence of slight differences in identical twins support the hypothesis that___________________?
A. Single gene may produce multiple effects
B. Dominance may be incomplete
C. The environment effects the expression of genetic character
D. Genetic trails are influence by many genes - In a population gene frequencies remain constant when there is_________________?
A. Iubreeding
B. Out breeding
C. Random mating
D. Selective mating - 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
