sexual reproduction

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sexual reproduction by Mind Map: sexual reproduction

1. zygote:  A diploid cell resulting from the fusion of two haploid gametes

1.1. a diploid cell resulting from the fusion of two haploid gametes

2. Embryo:   The part of a seed which develops into a plant, consisting (in the mature embryo of a higher plant) of a plumule, a radicle, and one or two cotyledons.

3. Fetus:    An unborn or unhatched offspring of a mammal, in particular, an unborn human more than eight weeks after conception.

4. Ovulation:   Discharge ova or ovules from the ovary.

5. Fertilization: The action or process of fertilizing an egg or a female animal or plant, involving the fusion of male and female gametes to form a zygote.

6. Implantation:    The attachment of the fertilized egg or blastocyst to the wall of the womb at the start of pregnancy.

7. Gestation Period:  For mammals the gestation period is the time in which a fetus develops, beginning with fertilization and ending at birth. The duration of this period varies between species.