Why the unequal cytoplasmic divisions that occurs during oogenesis?
a) fertilized egg has more chromosomes
b) polar bodies are used in another cycle
c) fertilized egg has ample nutrients during the journey to the uterus
d) all of these
Explanation fertilized egg takes six-seven days journey to the uterus.
The human egg has food storage for about…………..
a) 1-2 days
b) 3-4 days
c) 6-7 days
d) 9-12 days
What will happen to the polar bodies that are produced during oogenesis?
a) they remains in the uterus
b) they move back to ovaries
c) they take part in fertilization
d) they degenerate and die
Explanation it is because without nutrient containing cytoplasm
The female total capacity of egg is determine by the time of ……….
a) zygote
b) birth
c) fetus
d) adult
Explanation At birth, the normal female ovary contains about 1-2 million/oocytes (eggs). By the time a girl enters puberty, only about 25% of her lifetime total egg pool remains, around 300,000.
Menstrual Cycle:
Explanation The
menstrual cycle is a series of natural changes in hormone production and the
structures of the uterus and ovaries of the female reproductive system that
makes pregnancy possible. The ovarian cycle controls the production and release
of eggs and the cyclic release of estrogen and progesterone
The
reproductive cycle in human and other primates is called………
a) estrus cycle
b) menstrual cycle
c) both a and b
d) none of them
Explanation also called uterine cycle
