Self incompatibility which is controlled by two genes is found in___________________?

Related Mcqs:

1. Self incompatibility in which the genes express in the style is known as__________________?

   A. Styler SL
   B. Ovarian SL
   C. Polyallelic SL
   D. Diallelic SL

2. Gametophytic self incompatibility was first reported in___________________?

   A. Lena sativa
   B. Nicotine sandarac
   C. Set aria sphacelata
   D. Scale cereals

3. Self incompatibility which is controlled by single gene found in some species of__________________?

   A. Cruciferae
   B. Solanaceae
   C. Leguminosae
   D. All the above

4. Self-incompatibility is controlled by_________?

   A. Multiple alleles
   B. Polygenes
   C. Plasmogenes
   D. Both B and C

   Submitted by: Bahram Rahi

5. 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

6. 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

7. The term self incompatibility was coined by________________?

   A. Koelreuter (1763)
   B. Gerstel (1950)
   C. East (1940)
   D. None of the above

8. Gamatophytic system of self incompatibility was first discovered by____________________?

   A. Frankel (1977)
   B. Bresbaker (1958)
   C. Hughes and Babceek
   D. East and Mangelsdref (1925)

9. Self incompatibility is used for hybrid seed production in______________________?

   A. Rice
   B. Maize
   C. Cabbage
   D. Tomato

10. Pollen sterility which is controlled by both cytoplasmic and nuclear genes is known as___________________?

    A. GMS
    B. CMS
    C. CGMS
    D. all the above