If Z = (2x - Y)

question 67

Essay

If z = (2x - y)
,find (a)
and (b)

.

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Definitions:

Skin Colour

Skin colour refers to the pigmentation of an individual's skin which is primarily determined by genetic inheritance and exposure to sunlight.

Phenotypic Similarity

The degree to which two or more organisms resemble each other in their observable characteristics, due to genetic or environmental influences.

Monozygotic Twins

Twins who are genetically identical as they are formed from one fertilized egg that splits and develops into two embryos.

Natural Selection

A fundamental mechanism of evolution, whereby individuals with characteristics suited to their environment are more likely to survive and reproduce.