Answer:
B.) Duplication
Explanation:
A.) is incorrect because deletions involve the removal of one (or more) nucleotides during the DNA replication process.
B.) is correct because duplication involves duplicating a nucleotide (or more) of the DNA strand. This results in repeated genetic material.
C.) is incorrect because inversion involves a section of DNA bein removed and reattached backwards during DNA replication.
D.) is incorrect because translocation involves a section of a chromosome being removed and added to another chromosome.
Answer:
The formula for calculating magnification is:
Magnification = Size of drawing / Actual size
Size of drawing = 40 mm
Actual size = 40 micron meter
Convert 40 mm to micron unit: 40 * 1000 = 40,000 micron
Magnification = 40,000 / 40 = 1000.
The magnification is 1000 X.
This answer means that the drawing is 1000 times bigger than the actual size of the cell.
They allowed scientists to study heredity and further develop it
Se cree que los humanos emigraron al norte de Australia desde Asia en botes primitivos. Una teoría actual sostiene que esos primeros migrantes salieron de África hace unos 70,000 años, lo que convertiría a los aborígenes australianos en la población de humanos más antigua que vive fuera de África.