Biology, 30.03.2020 00:00 gonzalesnik
Which of the following is NOT the result of a mutation in the DNA sequence of an organism?
Question 4 options:
1)
One nucleotide from a gene is changed from a T to and A but the amino acid that is produced at that position is not affected by that change.
2)
DNA is copied during mitosis and when the two resulting copies of DNA are compared they are found to contain the same order of nucleotides.
3)
Several bases of the DNA sequence of a gene are deleted causing the gene not to produce a protein.
4)
A DNA sequence has a change of one base from a T to an A which causes a different amino acid to be produced.
Answers: 2
Biology, 22.06.2019 03:40
Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.
Answers: 2
Biology, 22.06.2019 06:30
Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?
Answers: 3
Which of the following is NOT the result of a mutation in the DNA sequence of an organism?
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