In human reproduction,one female egg is usually fertilized by one sperm.

人体生殖过程中,一个子使一个卵子受。

The fish, smallmouth and largemouth bass, were male but neertheless carried immature eggs.

小口黑鲈和黑鲈为雄性，却带有未成熟的卵子。

Only one sperm fertilises an egg.

只有一个子使卵子受。

To a certain degree, sperm head membrane maybe is the key factor to the androgenesis of the gynogenetic silver crucian carp eggs.

某程度上表明：子膜蛋白可能是雌核发育银鲫卵子进行雄核发育的素。

The secondary oocyte now divides again into two new cells of unequal size: a relatively large ootid (mature egg cell) and a minute second polar body.

此时，次级卵母细胞又分裂成两个大小不对等的新细胞：一个相对很大的卵子（成熟卵细胞）和一个微小的次级极体。

In human reproduction,one female egg is usually fertilized by one sperm.

人体生中,一个精子使一个卵子受精。

The fish, smallmouth and largemouth bass, were male but neertheless carried immature eggs.

这种小口黑鲈和黑鲈为雄性，却带有未熟的卵子。

Only one sperm fertilises an egg.

只有一个精子使卵子受精。

To a certain degree, sperm head membrane maybe is the key factor to the androgenesis of the gynogenetic silver crucian carp eggs.

某种度上表明：精子膜蛋白可能是雌核发育银鲫卵子进行雄核发育的关键因素。

The secondary oocyte now divides again into two new cells of unequal size: a relatively large ootid (mature egg cell) and a minute second polar body.

此时，次级卵母细胞又分个大小不对等的新细胞：一个相对很大的卵子（熟卵细胞）和一个微小的次级极体。

In human reproduction,one female egg is usually fertilized by one sperm.

人体生殖过程中,一个精子使一个卵子受精。

The fish, smallmouth and largemouth bass, were male but neertheless carried immature eggs.

这种小口黑鲈和黑鲈为雄，有未成熟的卵子。

Only one sperm fertilises an egg.

只有一个精子使卵子受精。

To a certain degree, sperm head membrane maybe is the key factor to the androgenesis of the gynogenetic silver crucian carp eggs.

某种程度上表明：精子膜蛋白可能是雌核发卵子进行雄核发的关键因素。

The secondary oocyte now divides again into two new cells of unequal size: a relatively large ootid (mature egg cell) and a minute second polar body.

此时，次级卵母细胞又分裂成两个大小不对等的新细胞：一个相对很大的卵子（成熟卵细胞）和一个微小的次级极体。

In human reproduction,one female egg is usually fertilized by one sperm.

人体生殖过程中,一个精子使一个卵子受精。

The fish, smallmouth and largemouth bass, were male but neertheless carried immature eggs.

这种小口黑鲈和黑鲈为雄性，却带有未成熟卵子。

Only one sperm fertilises an egg.

只有一个精子使卵子受精。

To a certain degree, sperm head membrane maybe is the key factor to the androgenesis of the gynogenetic silver crucian carp eggs.

某种程度上表明：精子膜蛋白可能是雌核发育银鲫卵子进行雄核发育关键因素。

The secondary oocyte now divides again into two new cells of unequal size: a relatively large ootid (mature egg cell) and a minute second polar body.

此时，次级卵母细胞又分裂成两个大小不新细胞：一个相很大卵子（成熟卵细胞）和一个微小次级极体。

In human reproduction,one female egg is usually fertilized by one sperm.

人体生殖过程中,一个精子使一个卵子受精。

The fish, smallmouth and largemouth bass, were male but neertheless carried immature eggs.

这种小和为雄性，却带有未成熟的卵子。

Only one sperm fertilises an egg.

只有一个精子使卵子受精。

To a certain degree, sperm head membrane maybe is the key factor to the androgenesis of the gynogenetic silver crucian carp eggs.

某种程度上表明：精子膜蛋白可能是雌银鲫卵子进行雄的关键因素。

The secondary oocyte now divides again into two new cells of unequal size: a relatively large ootid (mature egg cell) and a minute second polar body.

此时，次级卵母细胞又分裂成两个大小不对等的新细胞：一个相对很大的卵子（成熟卵细胞）和一个微小的次级极体。

In human reproduction,one female egg is usually fertilized by one sperm.

人体生殖过程中,一个精使一个受精。

The fish, smallmouth and largemouth bass, were male but neertheless carried immature eggs.

这种小口黑和黑性，却带有未成熟的。

Only one sperm fertilises an egg.

只有一个精使受精。

To a certain degree, sperm head membrane maybe is the key factor to the androgenesis of the gynogenetic silver crucian carp eggs.

某种程度上表明：精膜蛋白可能是雌核发育银鲫行核发育的关键因素。

The secondary oocyte now divides again into two new cells of unequal size: a relatively large ootid (mature egg cell) and a minute second polar body.

此时，次级母细胞又分裂成两个大小不对等的新细胞：一个相对很大的（成熟细胞）和一个微小的次级极体。

In human reproduction,one female egg is usually fertilized by one sperm.

人体生殖过程中,一个精子使一个卵子受精。

The fish, smallmouth and largemouth bass, were male but neertheless carried immature eggs.

这种小口为性，却带有未成熟的卵子。

Only one sperm fertilises an egg.

只有一个精子使卵子受精。

To a certain degree, sperm head membrane maybe is the key factor to the androgenesis of the gynogenetic silver crucian carp eggs.

某种程度上表明：精子膜蛋白可能是雌核发育银鲫卵子核发育的关键因素。

The secondary oocyte now divides again into two new cells of unequal size: a relatively large ootid (mature egg cell) and a minute second polar body.

此时，次级卵母细胞又分裂成两个大小不对等的新细胞：一个相对很大的卵子（成熟卵细胞）一个微小的次级极体。

In human reproduction,one female egg is usually fertilized by one sperm.

人体生殖过程中,一个精子使一个卵子受精。

The fish, smallmouth and largemouth bass, were male but neertheless carried immature eggs.

口黑鲈和黑鲈为雄性，却带有未成熟卵子。

Only one sperm fertilises an egg.

只有一个精子使卵子受精。

To a certain degree, sperm head membrane maybe is the key factor to the androgenesis of the gynogenetic silver crucian carp eggs.

某程度上表明：精子膜蛋白可能是雌核发育银鲫卵子进行雄核发育因素。

The secondary oocyte now divides again into two new cells of unequal size: a relatively large ootid (mature egg cell) and a minute second polar body.

此时，次级卵母细胞又分裂成两个大不对等新细胞：一个相对很大卵子（成熟卵细胞）和一个微次级极体。

In human reproduction,one female egg is usually fertilized by one sperm.

人体生殖过程中,精子使卵子受精。

The fish, smallmouth and largemouth bass, were male but neertheless carried immature eggs.

这种小口黑鲈和黑鲈为雄性，却带有未成熟的卵子。

Only one sperm fertilises an egg.

只有精子使卵子受精。

To a certain degree, sperm head membrane maybe is the key factor to the androgenesis of the gynogenetic silver crucian carp eggs.

某种程度上表明：精子膜蛋白可能是雌核发育银鲫卵子进行雄核发育的关键因素。

The secondary oocyte now divides again into two new cells of unequal size: a relatively large ootid (mature egg cell) and a minute second polar body.

此时，次级卵母细胞又分裂成两大小不对等的新细胞：对很大的卵子（成熟卵细胞）和微小的次级极体。