A. Introduction
B. Mutation
C. Hybridization
D. Selection
Submitted by: Bahram Rahi
Related Mcqs:
- Nutritional quality breeding deals with genetic improvement in__________________?
A. Oil
B. Protein
C. Vitamin
D. All the above - In allogamous species, a true breeding line obtained by continuous inbreeding is__________________?
A. Hybrid
B. Top cross
C. Poly cross
D. Inbred - Mendel studied contrasting characters for his breeding cxperiments with peas which of the following character he did not study_______________?
A. Pod color
B. Pod shape
C. Plant height
D. Leaf shape - 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 - Out breeding leads to reproduction in____________________?
A. Heterozygosity
B. Homozygosity
C. Population mean
D. None of the above - Mutation breeding is mostly used in____________________?
A. Self pollinated crops
B. Cross pollinated crops
C. Vegetative propagated crops
D. Often cross pollinated crops - 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 - Red flower pea plant is crossed with the white flowered pea plant, F1 is red; with flower color is ______________________?
A. Dominant
B. Recessive
C. Non-genetic
D. Unexpressive - 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% - When red tall plant is crossed with dwarf white plant all the plants of F, are found to be tall red. which of the following ratio will be available when a test cross is made_________________?
A. 3:1
B. 1:2:3
C. 1:1:1:1
D. 1:2:1
