List of top Horticulture Questions on Genetics

In which phase of meiosis, the homologous chromosomes separate while sister chromatids remain associated at their centromeres?
Which of the following shows very high inbreeding depression on selfing?
Which of the following is characterized by non functional pollen grains, while female gametes function normally?
Mutation which occurs in one layer or more layers at the top of apex is known as
The superiority of an F\(_1\) hybrid over both of its parents in terms of yield or some other characters is known as
Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A) : Sweet potato is highly heterozygous with out-breeding habit.
Reason (R) : Self-incompatibility is evident in different sweet potato cultivars.
In light of the above statements, choose the correct answer from the options given below.
Which of the following shows very high inbreeding depression on selfing?
Given below are two statements:
Statement (I): Bringing together two or more genes governing a single trait, especially resistance to disease is known as gene pyramiding
Statement (II) : The use of molecular markers greatly facilitates gene pyramiding as it minimises the need for disease tests and progeny test
In light of the above statements, choose the most appropriate answer from the options given below.
What is the somatic chromosome number of Elephant foot yam?
In vegetatively propagated material somatic mutations of spontaneous origin are commonly referred to as

Match List-I with List-II:

Choose the correct answer from the options given below:

The following statements about onion are given below
(A) Temperature is comparatively more important for bulb formation
(B) Photoperiod is more important for flowering
(C) Long day onion varieties do not bulb under short day conditions
(D) Genetic constitution of the male sterility maintainer is Nmsms
Choose the correct answer from the options given below:
Which of the following vegetable crop has brown anther type and petaloid type male sterility?
Polyploidy level of cultivated strawberry
Which of the following researcher has first described gametophytic system of self-incompatibility?
Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A) : Combining all desirable character in a single cultivar of mango is difficult
Reason (R) : Mango is a homogeneous crop of suspected diploid origin
In light of the above statements, choose the correct answer from the options given below.
Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A): The diploid wild species of potato are self-incompatible due to gametophytic self-incompatibility system.
Reason (R): A dominant self-incompatibility inhibitor gene (Sli) has been identified in the wild species of Solanum chacoense.
In light of the above statements, choose the correct answer from the options given below.
What is the basic chromosome number is present in C genome of Brassica oleracea ?
What is the chromosome number of Radish ?
Polyembrony is controlled by?
What is the main purpose of blanching in cauliflower?