Questions in genetics

Select	Question
	Hybrid vigour is induced by
	Mendel’s law of independent assortment is applicable for
	If at a tall plant is crossed with a dwarf plant and obtained progeny is half tall and half dwarf plants. Then the genotype of progeny will be
	A self-fertilizing trihybrid plant forms
	In a plant, red fruit (R) is dominant over yellow fruit (r) and tallness (T) is dominant over shortness (t). If a plant with RRTt genotype is crossed with a plant that is rrtt.
	When a tall plant with rounded seeds (TTRR) is crossed with a dwarf plant with wrinkled seeds (ttrr), the ${{F}_{1}}$. generation consists of tall plants with rounded seeds. How many types of gametes an ${{F}_{1}}$ plant would produce
	If a cross is made between AA and aa, the nature of ${{F}_{1}}$ progeny will be
	Which of the following is considered as a recessive character of Mendel
	Hybrid breakdown refers to the condition when offspring are physiologically inferior to the following generation
	A double heterozygous tall plant with yellow colour (colour of cotyledon) is selfed the ratio of dwarf plants with green cotyledon is