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Human Sexual Reproductive System - Coggle Diagram
Human Sexual Reproductive System
Sexual reproduction
Reproductive cells
Egg
Structure
Cell surface membrane
Cytoplasm
Nucleus
Jelly coat
Sperm
Structure
Tail
Cell surface membrane
Middle piece
Head
Nucleus
Types of reproduction
Sexual
two parents, male and female
multicellular organisms
inherit characteristics from both parents
Asexual
single parent
unicellular organisms
identical to parent
Purpose
limited life splan
need to produce offspring
species continue to strive
Heredity
each human cell contains 46 chromosomes
chromosomes carry genes containing information that controls the growth and appearance of a child
ovum and sperm have 23 single chromosomes each