The correct answer is: a. using a photographic negative to make a positive image
A negative image is a total inversion of positive image (normal image). Negatives are normally used to make positive prints.
This can be compared to copying mechanism of DNA-replication of DNA in which one strand of DNA (e.g. 3’-5’ orientation) is used as a template to make new strand with opposite orientation (5’-3’).
Answer:
Crossing-over occurs during meiosis
Explanation:
Mendel's principles never mentioned directly how the factors seperate, just that it happened during gamate formation, but nothing about how crossing-over occurs during meiosis.
Answer:
The condition in which an organism whose cells have either gained or lost a chromosome is called an <u>aneuploidy</u>.
It is expected that the bases are located on the outside of the DNA molecule because it allows access in an easier mode for the cell.
<h3>What is DNA?</h3>
Deoxyribonucleic acid (DNA) is a double helix composed of two long strands of nucleotide bases.
In DNA, nucleotide bases are expected to interact with the environment in order to make easier the process of transcription and replication.
In conclusion, bases are located on the outside of the DNA molecule to access in an easier mode for the cell.
Learn more about the DNA double helix here:
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