HORTICULTURE

Detailed explanation-1: -Which term means the crossing of two different species that share common genes? hybridization.

Detailed explanation-2: -INTRODUCTION. Heterosis refers to the phenomenon that progeny of diverse varieties of a species or crosses between species exhibit greater biomass, speed of development, and fertility than both parents.

Detailed explanation-3: -Individual, maternal, and paternal heterosis are the three types of heterosis. According to Bourdon (2000), retained heterosis is the improvement in the performance of crossbred progeny over purebred parents. Individual heterosis refers to the advantage of the crossbred individual over the purebred average.

Detailed explanation-4: -Mating closely related animals (for example, parent and offspring, full brother and sister or half brother and sister) is inbreeding. With less closely related animals (first cousins, second cousins), people disagree about where to draw the line between inbreeding and outbreeding.