1.Who was responsible for disproving the concept of linkage between hereditary factors?
2.Which of the following represents a test cross?
3.Why are haploids considered significant in crop improvement programs?
4.What is the expected genotype and phenotype ratio when a purebred tall plant is crossed with a purebred dwarf plant?
5.The newly developed crop known as triticale is created through hybridization between which two plants?
6.In Mendel's pea plant breeding experiments, which of the following traits was not examined by him?
7.What is the total number of chromosomes found in a typical human cell?
8.What is the typical phenotypic ratio observed in the offspring of a dihybrid cross?
9.What is the outcome of linkage and crossing over during meiosis?
10.In the F2 generation, when do the genotypic and phenotypic ratios match exactly?
11.What term describes reproduction that occurs from an unfertilized egg or without the process of fertilization?
12.What is the term for crossing a hybrid organism with one of its original parent strains?
13.What term describes the complete genetic makeup of an organism?
14.What is considered the fundamental unit responsible for mutation?
15.What is the name of the smallest segment on a chromosome where recombination can occur?
16.What do you call a genetic element that can appear in two or more alternative forms?
17.What does an apheliotropic gene influence?
18.Polyploidy most commonly arises due to which of the following events?
19.When a true-breeding tall plant is crossed with a true-breeding dwarf plant, what is the ratio of tall to dwarf plants in the F2 generation after self-pollinating the F1 plants?
20.Which of the following plant groups is the most recently evolved?