Gametogenesis
While somatic cells are diploid, gametes are _____; they have one copy of each type of chromosome.
haploid
where are mitochondria located in sperm?
midpiece
What is a single celled fertilized egg called?
zygote
List the functions of the seminiferous tubules:
-sperm production -transport of sperm to the rete testes
When do gonads begin to develop?
6 weeks
When do the gonads differentiate?
7-9 weeks
Which hormone is secreted by the anterior pituitary gland and increases the production of androgen binding proteins (ABP)?
FSH
What are the two requirements for sperm motility?
Increased ph and energy source.
Which duct develops into the female reproductive system?
Müllerian (paramesonephric) duct
Which duct develops into the male reproductive system?
Wolfian (mesonephric) duct
Gametes are called haploid because ________. a) they contain one-half the normal number of chromosomes b) they are either sperm or ova c) there are half as many of them produced at each division in comparison with diploid cells d) they are produced by the process of mitosis e) All of the answers are correct
a) they contain one-half the normal number of chromosomes
Which cell undergoes meiosis 1 giving rise to two equal size haploid cells and genetically unique secondary spermatocytes? a) spermatogonium b) primary spermatocyte c) primordial germ cell d) secondary spermatocyte
b) Primary spermatocyte
Sperm is produced in the _____ and stored in the _____. a) straight tubule; tunica albuginea b) testes; seminiferous tubules c) epididymis; rete testes d) seminiferous tubules; epididymis
d) seminiferous tubules; epididymis
What does meiosis produce?
four genetically unique haploid (daughter) cells