Fertilization is an important step in Sexual reproduction. The fertilization of male gamete i.e. sperm and female gamete i.e ova or egg results in the formation of a Zygote the first cell. The zygote is a diploid cell. (so a diploid cell is formed as a result of fusion on haploid cell so no. of chromosome remain constant in each generation). The zygote undergoes further development and forms embryo which after successive division and differentiation form a fully functional individual.
The genetic material of a sexually reproducing organism evolves for better adaptations.
fertilization, cleavage, differentiation,growth
The fusing together of two gametes at fertilization is called fertilization or conception. It marks the beginning of the development of a new organism that contains a unique combination of genetic material from both parents.
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recombination of alleles
sperm
fertilization-cleavage-differentiation-growth
A zygote on any sexually reproducing organism is the melding of both male and female gametes.
Firstly, mutation. In a sexually reproducing population recombination ( independent orientation of chromosomes and crossing over in meiosis and random fertilization ) is also a source of variation in populations.
homologous
Yes, fungi are capable of reproducing both asexually and sexually.
Sexually-reproducing species have an advantage over asexually-reproducing species in their ability to use two different sex cells.