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halploid
Haploid
meiosis
halploid
In humans there are 23 pairs of chromosomes in a diploid cell (a normal body cell e.g. a skin cell) However there are just 23 single chromosomes in a haploid cell (a sex cell e.g. a sperm) this is because when fertilisation takes place the embryo has a total of 46 chromosomes, as it takes both haploid cells, making it genetically identical to both it's mother and father, and making it a diploid cell.
halploid
meiosis
Haploid
meiosis
halploid
Diploid
An embryo is a multicellular diploid eukaryote in its earliest stage of development , from the time of first cell division until birth, hatching, or germination . In humans, it is called an embryo until about eight weeks after fertilization
An embryo is a multicellular diploid eukaryote in its earliest stage of development , from the time of first cell division until birth, hatching, or germination . In humans, it is called an embryo until about eight weeks after fertilization
The development of an embryo without fertilisation.
In short, an embryo undergoes both cellular division and cellular differentiation to become a fetus. This is achieved by the genetic program present in the cell(s) which controls both mentioned processes. It is the stage of developing mammal.After 9th week of fertilisation,the embryo can be called foetus.
In humans there are 23 pairs of chromosomes in a diploid cell (a normal body cell e.g. a skin cell) However there are just 23 single chromosomes in a haploid cell (a sex cell e.g. a sperm) this is because when fertilisation takes place the embryo has a total of 46 chromosomes, as it takes both haploid cells, making it genetically identical to both it's mother and father, and making it a diploid cell.
ovum isalways haploid and when a haploid sperm fertilize it the embryo become diploid