A useful process for determining whether an individual is homozygous or heterozygous is_____________________?

Related Mcqs:

1. When a wheat variety with red kernels (homozygous for two non allelic and independent dominant genes) is crossed with white kenneled wheat (homozygous for two recessive non allelic independent genes), the phenotypic ratio in the F2 generation would be________________?

   A. 9:3:3:1
   B. 9:7
   C. 9:9:9:3:3:3:1
   D. 1:4:6:4:1

2. If a heterozygous tall plant is crossed with a homozygous dwarf plant the proportion of dwarf progerry will be__________________?

   A. 25%
   B. 50%
   C. 75%
   D. 100%

3. The crossing of a yomozygous tall plant and a homozygous dwarf plant would yield plants in the ratio of_________________?

   A. 2 tall: 2 dwarf
   B. All homozygous dwarf
   C. All the heterozygous tall
   D. One homozygous tall, one homozygous dwarf, two heterozygous tall

4. Homozygous population include_________________?

   A. Inbreed lines
   B. Multi lines
   C. Pure lines
   D. All the above

5. In a monohybrid cross, 2 heterozygous individuals were crossed, phenotypic ratio came to be (2:1), it is due to__________________?

   A. Dominant lethal genes in heterozygous individuals
   B. Dominant lethal genes in homozygous individuals
   C. Dominant epistasis
   D. None of the above

6. If a plant heterozygous for tallness is selfed, f2 feneration has both tall and dwarf plants. this proves the principle of__________________?

   A. Dominance
   B. Segregation
   C. Independent assortment
   D. Incomplete dominance

7. If the cell of an organism (heterozygous) for two pairs of genes represented by Aa, Bb, undergoes meiosis then the possible genotype of gametes are________________?

   A. AB, ab
   B. Ab, ab
   C. AB, Ab, aB, ab
   D. Data insufficient

8. The process of transfer and deletion of several gene is_____________________?

   A. Gene mutation
   B. Chromosomal mutation
   C. Monoploldy
   D. Synapsis

9. A process off converting light energy into useful chemical energy_________________?

   A. Photoperiodism
   B. Photosynthesis
   C. Transpiration
   D. Conversion

10. 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