European and american countries had less than a 1000 deaths caused by measeals in 2006. what attributed to this change

Which statements correctly describe the inheritance pattern for the alleles that control blood type?

elena-s [515]

Answer:

Statements 1,2 and 6 are correct statements. Explanation: Blood group is determined by three alleles IA, IB and i. IA and IB are dominant alleles and show phenotype blood group A and blood group B respectively when they're combined with allele i.

Explanation:

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8 0

3 years ago

Which of these is the best method to measure the distance of a star

Sergeeva-Olga [200]

I think the correct answer would be the first option. The best method to use in order to measure the distance of star would be to calculate the variations in the position of the star due to movement of Earth in its orbit. The doppler shift which is what is being described in the last three options does not calculate the distance rather it calculates the relative velocity. The method used in measuring the distance was introduced by Edwin Hubble where he found that relative velocity of a body in space is directly proportional to the distance of that body from Earth.

4 0

4 years ago

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50 POINTS PLS HELP MEEE

Vilka [71]

The cell placed within the hypertonic solution will quickly become dehydrated due to the concentration gradients and osmosis.

Though I cannot provide the drawing of the cell, I can describe what a hypertonic solution is and what effect it would have on the cell.

A hypertonic solution is a solution that when compared to another solution or object, has a higher concentration of solute. If made into a drawing, this would look like the cell is in water, but said water contains a large amount of solute, like sugar for example.

Hypertonic solutions can cause water to move. The water moves through a process known as Osmosis, which is the tendency of water to move towards a location that has a higher concentration of solute, in order to dissolve this concentration. Since the liquid inside the cell has a lower concentration of solute than the environment, the water inside the cell will escape through osmosis and can severely dehydrate the cell.