List I | List II | ||
A. | Two or more alternative forms of a gene | I. | Back Cross |
B. | Cross of F1 progeny with homozygous recessive parent | II. | Ploidy |
C. | Cross of F1 progeny with any of the parents | III. | Allele |
D. | Number of chromosome sets in plant | IV. | Test cross |
A: | The flowers of Vallisneria are colourful and produce nectar. |
B: | The flowers of waterlily are not pollinated by water. |
C: | In most of water-pollinated species, the pollen grains are protected from wetting. |
D: | Pollen grains of some hydrophytes are long and ribbon like. |
E: | In some hydrophytes, the pollen grains are carried passively inside water. |
A: | The piece of DNA would be able to multiply itself independently in the progeny cells of the organism. |
B: | It may get integrated into the genome of the recipient. |
C: | It may multiply and be inherited along with the host DNA. |
D: | The alien piece of DNA is not an integral part of chromosome. |
E: | It shows ability to replicate. |
Statement I: | Bt toxins are insect group specific and coded by a gene cry IAc. |
Statement II: | Bt toxin exists as inactive protoxin in B. thuringiensis. However, after ingestion by the insect, the inactive protoxin gets converted into active form due to acidic pH of the insect gut. |