Examlex
The tissue which gives the outer part of the ear is unique to animals.
Fertilized Egg
A cell formed by the union of a male sperm and a female ovum, marking the beginning of embryonic development.
Embryos
Early stages of development in multicellular organisms after fertilization and before birth, during which the basic structures of the organism are formed.
Heritable
Traits or characteristics that are passed from parents to offspring through genes.
Fraternal Twins
Twins that develop from two different eggs fertilized by two different sperm, making them genetically distinct, similar to regular siblings.
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