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Complete the following paragraph to describe the process of gamete production in females. primary meiotic second meiotic primary oocytes menstrual cycle 2n zygote secondary oocyte duplicated non-duplicated primary spermatocytes disintegrates secondary ovary haploid matures 4n zygote diploid circadian rhythm Meiosis in human females initiates during the development of the fetus. In the fetal ovaries, all of the diploid begin meiosis but cease development in prophase I. With puberty and the initiation of the , a primary oocyte completes meiosis. It finishes the first meiotic division as two cells, each of which is , although the chromosomes are still duplicated. One of these cells, termed the , receives almost all of the cytoplasm. The other is the first polar body, a non-functioning cell. The polar body contains chromosomes but very little cytoplasm and may or may not divide again and eventually it disintegrates. If the secondary oocyte is fertilized by a sperm, it completes the division, in which it again divides unequally, forming an egg and a second polar body. The chromosomes of the egg and sperm nuclei then join to form the . If the secondary oocyte is not fertilized by a sperm, it and passes out of the body with the menstrual flow. Reset

          Complete the following paragraph to describe the process of gamete production in females.

primary meiotic
second meiotic
primary oocytes
menstrual cycle
2n zygote
secondary oocyte
duplicated
non-duplicated
primary spermatocytes
disintegrates
secondary ovary
haploid
matures
4n zygote
diploid
circadian rhythm

Meiosis in human females initiates during the development of the fetus. In the fetal ovaries, all of the diploid __________ begin meiosis but cease development in prophase I.

With puberty and the initiation of the __________ , a primary oocyte completes meiosis. It finishes the first meiotic division as two cells, each of which is __________ , although the chromosomes are still duplicated.

One of these cells, termed the __________ , receives almost all of the cytoplasm. The other is the first polar body, a non-functioning cell.

The polar body contains __________ chromosomes but very little cytoplasm and may or may not divide again and eventually it disintegrates. If the secondary oocyte is fertilized by a sperm, it completes the __________ division, in which it again divides unequally, forming an egg and a second polar body.

The chromosomes of the egg and sperm nuclei then join to form the __________ . If the secondary oocyte is not fertilized by a sperm, it __________ and passes out of the body with the menstrual flow.

Reset

Complete the following paragraph to describe the process of gamete production in females.

primary meiotic
second meiotic
primary oocytes
menstrual cycle
2n zygote
secondary oocyte
duplicated
non-duplicated
primary spermatocytes
disintegrates
secondary ovary
haploid
matures
4n zygote
diploid
circadian rhythm

Meiosis in human females initiates during the development of the fetus. In the fetal ovaries, all of the diploid begin meiosis but cease development in prophase I.

With puberty and the initiation of the , a primary oocyte completes meiosis. It finishes the first meiotic division as two cells, each of which is , although the chromosomes are still duplicated.

One of these cells, termed the , receives almost all of the cytoplasm. The other is the first polar body, a non-functioning cell.

The polar body contains chromosomes but very little cytoplasm and may or may not divide again and eventually it disintegrates. If the secondary oocyte is fertilized by a sperm, it completes the division, in which it again divides unequally, forming an egg and a second polar body.

The chromosomes of the egg and sperm nuclei then join to form the . If the secondary oocyte is not fertilized by a sperm, it and passes out of the body with the menstrual flow.

Reset

Added by Sabrina M.

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