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The great variety of possible gene combinations in a sexually reproducing species is due in part to the?
Wiki User
∙ 12y ago
Recombination, or crossing over, is the process by which homologous chromosomes exchange genetic material during meiosis. This creates gametes with many different combinations of alleles, and is a major source of genetic variation in sexually reproducing species.
Wiki User
∙ 16y ago
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Sexually-reproducing species have an advantage over asexually-reproducing species in their ability to?
adapt
The fusing together of two gametes at fertilization is?
Gametes fuse together during fertilization.
What does the scientific term species mean?
Any organisms which are able to breed and create non-sterile (capable of reproducing) offspring are said to be of the same species.
How is reproductive isolation related to the formation of new species?
Speciation would not be possible without reproductive isolation. We define species today as a group of organisms capable of reproducing fertile offspring. If there was no reproductive isolation, it means that the organisms are constantly interbreeding, mixing their genes, thus unable to become two mutually reproductively exclusive groups, or different species.
What is the definition for critical number in science?
the number of individuals in a population required for a the species to keep reproducing and not go extinct
Why does a sexually-reproducing species have an advantage over asexually-reproducing species?
Sexually-reproducing species have an advantage over asexually-reproducing species in their ability to use two different sex cells.
Sexually-reproducing species have an advantage over asexually-reproducing species in there ability to?
Sexually-reproducing species are able to adapt more easily than asexual-reproduciing species
Sexually-reproducing species have an advantage over asexually-reproducing species in their ability to?
adapt
The fusing together of two gametes at fertilization is?
Gametes fuse together during fertilization.
What concept applies to asexual reproducing species?
Ecological species concept.
Why is it particularly difficult for the systematist to classify asexually reproducing organisms as a species?
Asexually reproducing organisms do not interbreed
Why does the karyotypes of a sister and brother different?
each offspring in a sexually reproducing species inherits a unique combination of genes from its two parents. this combined set of genes contributes to a unique combination of traits in each individual
Which concept applies to asexually reproducing species?
some bacteria...
What are groups of reproducing populations that are isolated from other groups?
Species
What are the two factors that account for diversity of species?
The diversity of sexually reproducing species is a result of the fact that a) gene pools change over time (by selection and genetic drift) and that b) reproductive isolation occurs, leading to the inability of the descendants of formerly interbreeding subpopulations to interbreed (speciation).
What will happen if no reproduction occurs?
Whatever species that isn't reproducing will die out.
Do anoles mate?
absolutely. There are no asexually reproducing anole species that I am aware of.
