Answer:
An allele is one of two or more versions of a gene. ... If the alleles are different, the individual is heterozygous. Though the term allele was originally used to describe variation among genes, it now also refers to variation among non-coding DNA sequences.
Explanation:
Answer:
In biological terms, the word population refers to all of the organisms from the same species that live together in the same general geographic area, which is called a habitat. Organisms within the same population share a gene pool, but are not necessarily closely related.
For example, a population is not as narrow as a specific pride of lions. Instead, it could be all of the lions that live within a certain region, such as a particular forest or preserve.
Provide sperm to fertilize the eggs in the female reproductive system.
The right answer is 2.
A prothallus is a small thin blade of chlorophyllian cells when it is green but can also be colorless and saprotrophic. It is derived from the development of a protonema formed during the germination of a spore in pteridophytes (Pteridophyta, ferns and other closely related species). It is a structure formed by mitotic divisions of haploid cells.
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