The chromosome number of human race is__________________? April 21, 2025 by admin A. 48 B. 41 C. 44 D. 46
Mendel studied contrasting characters for his breeding cxperiments with peas which of the following character he did not study_______________? April 21, 2025 by admin A. Pod color B. Pod shape C. Plant height D. Leaf shape
The new crop critical has been evolved by intervener hybridization between________________________? April 21, 2025 by admin A. Wheat & rice B. Rye & Wheat C. Wheat & Anglos D. Rice & maize
The crossing of a yomozygous tall plant and a homozygous dwarf plant would yield plants in the ratio of_________________? April 21, 2025 by admin A. 2 tall: 2 dwarf B. All homozygous dwarf C. All the heterozygous tall D. One homozygous tall, one homozygous dwarf, two heterozygous tall
In crop improvement programmed haploids are of great importance because they__________________? April 21, 2025 by admin A. Are useful in studies on meiosis B. Give homozygous lines following diplodization C. Grow better under adverse conditions D. Require only about half the amount of chemical fertilizers…
Among the following the test cross is_________________? April 21, 2025 by admin A. TTxTT B. TTxTt C. TtxTt D. Ttxtt
Gynandromorphy in Drosophila because of_________________? April 21, 2025 by admin A. Loss of X-chromosome B. Kappa particles C. inheritance D. Gain of Y-chromosome
Absence of chlorophyll in a plant is known as__________________? April 21, 2025 by admin A. Acrodsome B. Albinism C. A gouri D. None of the above
The spread of genes from one breeding population to another by migration which may result in changes in gene frequency is called__________________? April 21, 2025 by admin A. Gene flow B. Genetic drift C. Gene frequency D. None of the above