What process occurs because of genetic variation that is already present in a population?

What will be an ideal response?


Natural selection

Biology & Microbiology

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When is it appropriate to use an artificial chromosome vector? Describe a specific example

What will be an ideal response?

Biology & Microbiology

Leaf aging is retarded by ____

a. salicylic acid b. abscisic acid c. cytokinins d. ethylene e. gibberellins.

Biology & Microbiology

In humans, normal skin pigmentation is influenced by a dominant gene (C), which allows pigmentation to develop

All individuals who are homozygous for the recessive allele (c) are unable to produce an enzyme needed for melanin formation and are therefore referred to as albino. Two normal parents produce an albino child. What are the chances that the next child will be an albino? What will be an ideal response?

Biology & Microbiology

Microtubules have an outer diameter of

A) 7 nm. B) 8—12 nm. C) 25 nm. D) 7 mm. E) 25 mm.

Biology & Microbiology