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2. How does the female have an influence on which sperm fertilizes the mature ovum? 3. Describe the events that take place du

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2. Female mature ovum will have female sex cell X

Male sperm contain male sex cell either X or Y

If X sperm fertilize the ovum gives female child with XX

If Y sperm fertilize the ovum gives male child with XY.

3. Transport of zygote:

Zygote

4cell stage

Morula

Early blastocyst

Blastocyst on implantation.

4. Amnion:

It found in innermost layer of placenta

It lines amniotic cavity and developing embryo.

Chorion:

Outer membrane that surrounds amnion.

5. Function:

1. Allow the room for growth and development of fetus.

2. Fetal pulmonary development

3. Maintain temperature

4. It has antibacterial activity.

5. Aids in dilatation of cervix during labor.

  

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