this document contains NCERT class 12th chapter "Human reproduction". this document is STRICTLY for studies and research purposes only. zoology, biology chapter 1st. these are my class notes, my teachers teaches really well! i got fond of this chapter when i studied from these notes. they contain e...
Neet exam notes of locomotion and movement and many more
Human health and disease
biological classification summary notes with Mastering MCQ's + statement based questions + NCERT exemplar questions +matching type questions all in one with brief explanation
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Topic : INTRODUCTION
> Reproduction is defined as a biological process in which an organism
gives rise to young ones (offspring) similar to itself.
> The offspring grow, mature and in turn produce new offspring. Thus, there
is acycle of birth, growth and death.
+ Keproducte, enables the
the earh
*fonlera kas the
Topic : INTRODUCTION
SEXUAL REPRODUCTION Powey ASEXUAL REPRODUCTION
PMg be emiparental
biparantal Seual npedcte Asual rvproducte
Muosis
OY
R Gomets are
Mitosis Gomets ma
offeing
Jomed 3) No mmeiao
3) Meiosis occurs
4) Vaniatous are 4) Variahons are
tnt, epige
mot clone
are
-nt,
clone hir pare
are
, Topic : HUMAN REPRODUCTION
FEATURES
Humans are sexually reproducing and viviparous. * Gamets are always
S Biparenlal ve biv th to
hopleid in orgomms
+fertilisatiom is inteml
*is direct
Devdlapmont|
meiesis, wih leads to
dploid n)
Vanah on
O Topic :EVENTS IN HUMAN REPRODUCTION
EVENTS gaetgaesis
PRE-FERTILISATION Trensler& gamekcs (Snsemination
FERTILISATION usion 4 o 4 ? gamete
POST-FERTILISATIONermaien {implantake
Cmbyo
Gestatiem
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