The Second maturation division of the mammalian ovum occurs

  • Option 1)

    shortly after ovulation before the ovum makes entry into the fallopian tube

  • Option 2)

    until after the ovum has been penetrated by a sperm

  • Option 3)

    until the nucleus of the sperm has fused with that of the ovum

  • Option 4)

    in the graafian follicle following the first maturation division

 

Answers (1)

As we discussed in concept

Second Polar body -

This induces the completion of the meiotic division of the secondary oocyte. The second meiotic division is also unequal and results in the formation of a second polar body and a haploid ovum (ootid) .

-

 

 The second maturation division of the mammalian ovum occurs until after the ovum has been penetrated by a sperm.


Option 1)

shortly after ovulation before the ovum makes entry into the fallopian tube

This option is incorrect.

Option 2)

until after the ovum has been penetrated by a sperm

This option is correct.

Option 3)

until the nucleus of the sperm has fused with that of the ovum

This option is incorrect.

Option 4)

in the graafian follicle following the first maturation division

This option is incorrect.

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