Natural selection act directly upon <u>Alleles</u>
Explanation:
Genes, such as that of fur color, have many variants called alleles. Natural selection act on the alleles and chooses the best fit for an environment and eliminates the disadvantageous ones from the population over generations. Mutations are a rare occurrence that increases the number of allelic variants of a genes on which natural selection can act upon.
1) Technique B
2) Because it preserves the harmless insects and targets only moth larvae
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Answer:
point mutation, change within a gene in which one base pair in the DNA sequence is altered. Point mutations are frequently the result of mistakes made during DNA replication, although modification of DNA, such as through exposure to X-rays or to ultraviolet radiation, also can induce point mutations
This is most definitely the definition for a Lipid!
Answer: What type of microscope would be best for studying the structures found inside of cells? transmission electron microscope
What are the three basic parts of the cell theory?
1. All living things are composed of cells.
2.Cells are the basic units of structure and function for living things.
3. All cells come from pre-existing cells.
What is a tissue? a group of cells that have similar structure and that function together as a unit
Explanation:
