During human oogenesis, the first meiotic division is completed at which stage and results in the formation of what?
Puberty; primary oocyte and first polar body
Ovulation; secondary oocyte and first polar body
Fertilization; ovum and second polar body
Embryogenesis; oogonia and polar bodies
Related Questions
During oogenesis, the first polar body is formed during:
Mitosis
Meiosis I
Meiosis II
Fertilization
The acrosome of the sperm contains enzymes derived from which organelle?
Mitochondria
Ribosomes
Golgi apparatus
Endoplasmic reticulum
What do you mean by the term spermateleosis?
Conversion of spermatids to sperm
Conversion of spermatogonium to spermatid
Conversion of spermatid to spermatogonium
Conversion of primary spermatocyte to secondary spermatocyte
Which statement accurately describes the role of Sertoli cells in spermatogenesis?
They undergo meiosis to produce spermatids.
They secrete testosterone, which promotes spermatogenesis.
They phagocytose residual cytoplasm during sperm maturation.
They provide nourishment and structural support to developing spermatids, and secrete inhibin for negative feedback.
Select the reproductive in ascending order
Insemination Gestation Implantation Fertilization
Gametogenesis Fertilization Insemination Gestation
Gametogenesis Insemination Fertilization Implantation Gestation
Gametogenesis Fertilization Insemination Gestation Implantation
In humans, at the end of first meiotic division the male germ cells differentiate into the
spermatogonia – 46 chromosomes
primary spermatocytes – 23 chromosomes
secondary spermatocytes – 23 chromosomes
secondary spermatocytes – 23 pairs of chromosomes
A human female has the maximum number of primary oocytes in her ovaries
At birth
Just prior to puberty
Early in her fertile years
Midway through her fertile years
During spermatogenesis, the secondary spermatocytes are:
Diploid and contain 46 chromosomes
Haploid and contain 23 chromosomes
Diploid and contain 23 chromosomes
Haploid and contain 46 chromosomes
Largest egg is of
PPLO
Ostrich
Hydra
Periplaneta Americana
During oogenesis, the small structure separated from egg is
Polar bodies
Secondary endosperm
Herring bodies
Hela cells
