What is interspecific hybridization give an example?
The cross between animals of the same genus but different species is known as interspecific hybridisation. Here are some examples of such hybrid animals. Mule – The mule is a progeny of a female horse and a male donkey. Liger – An offspring of a female tiger and a male lion.
What are the interspecific hybridization?
Interspecific hybridization is the crossing of two species from the same genus. This allows the exploitation of useful genes from wild, unimproved species for the benefit of the cultivated species. The Pisum species are diploid self-pollinators sharing a similar karyotype.
What is intraspecific hybridization in plants?
A hybrid between genetically different genotypes of the same species is known as intraspecific hybrid. It is also known as inter-varietal hybrid. These types of hybrids are commonly used for commercial cultivation in several cross pollinated crops and some self-pollinated crops.
How are interspecific hybrids produced?
Interspecific hybrids are bred by mating individuals from two species, normally from within the same genus. The offspring display traits and characteristics of both parents, but are often sterile, preventing gene flow between the species.
What is interspecific hybridization Ncert?
Interspecific hybridisation: In this method, male and female animals of two different related species are mated. In some cases, the progeny may combine desirable features of both the parents, and may be of considerable economic value, e.g., the mule (Figure 9.2).
What is the first Intergeneric cross hybrid is called?
Wheat-Rye Cross: The first intergeneric cross was made in the family Gramineae between bread wheat (Triticum aestivum, 2n = 42) and rye (Secale cereale 2n = 14) by Rimpau around 1890 in Sweden. The F1 was sterile which was made fertile through colchicine treatment. The amphidiploid (2n = 56) was named as Triticale.
What is the difference between interspecific and intraspecific hybridization?
Interspecific hybrids are progeny from the mating of individuals from different species and intraspecific hybrids are hybrids from the mating of individuals within a species.
What is the difference between interspecific and intergeneric hybridization?
Answer: Intervarietal is the crossing between different varieties of crops while interspecific is the crossing between two different species of the same genus.
What are the advantages of interspecific hybridization?
The main advantage of this type of breeding is that progeny/ offsprings are produced which have the desirable features of both the species i.e the new individual produced is superior to the existing ones. Example − Mule is an interspecific hybrid of donkey and horse. The mule is superior than both donkey and horse.
What are the merits of interspecific hybridization Class 12?
Solution : Interspecific hybridization combines the good qualities of two different spcies in hybrid organims whilch are superior to their parental species. In plants, interspecific hybridization followed by polyploidy can lead to origin of new species.
How is interspecific cross breeding done give one example?
An example of interspecific hybridisation is production of mule which is produced from a cross between female horse (mare) and male donkey. It inherits size from the horse and sure footedness, great endurance to hardship, and ability to live on rough food the donkey.
How do you name a interspecific hybrid?
For nomenclatural purposes, the hybrid nature of a taxon is indicated by placing the multiplication sign × before the name of an intergeneric hybrid or before the epithet in the name of an interspecific hybrid, or by prefixing the term “notho-” (optionally abbreviated “n-“) to the term denoting the rank of the taxon ( …
Who made first interspecific cross between radish and cabbage *?
The first Raphanobrassica or “rabbage”, an allopolyploid cross between the radish (Raphanus sativus) and cabbage (Brassica oleracea), was obtained by the Soviet agronomist Georgi Dmitrievich Karpechenko, in 1928. Plants of this parentage are now known as radicole.
What are different intraspecific and interspecific association explain with examples?
Some examples of interspecific competition include competition between lions and tigers for similar prey and weeds growing in the field along with the paddy while some examples of intraspecific competition include finding mating partners, territorial competition, and dominance competition between members of the same …
What does Intergeneric mean?
Definition of intergeneric : occurring between or involving biological genera an intergeneric hybrid.
What is Intergeneric cross?
An intergeneric hybrid is a cross between plants in two different genera in the same family. They are closely related enough that pollination will produce a hybrid, though the seeds of this hybrid are usually sterile.
What is hybridization in aquaculture?
Hybridization is a conventional technique commonly used in fish breeding. Hybrids are defined as the products of crossing distinct species. A considerable number of hybrids have been produced between different fish species. The occurrence of natural hybridization in fishes is known since long.
What does SSP mean in plant names?
In botany, subspecies is one of many ranks below that of species, such as variety, subvariety, form, and subform. To identify the rank, the subspecific name must be preceded by “subspecies” (which can be abbreviated to “subsp.” or “ssp.”), as in Schoenoplectus californicus subsp.