2 years ago

Determine the ionic characteristics of this element. calcium

1 answer:

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Calcium is a chemical element with symbol Ca and atomic number 20. Calcium is a soft gray Group 2 alkaline earth metal, fifth-most-abundant element by mass in the Earth's crust. The ion Ca2+ is also the fifth-most-abundant dissolved ion in seawater by both molarity and mass, after sodium, chloride, magnesium, and sulfate.[5] Free calcium metal is too reactive to occur in nature. Calcium is produced in supernova nucleosynthesis.

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There are 40 individuals in population 1, all with genotype A1A1, and there are 25 individuals in population 2, all with genotyp

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Answer:

Genetic drift

Explanation:

Based on the information given here, the observed genetic variation is most likely an example of Genetic drift .

Genetic drift is the variation in the relative frequency of different genotypes in a small population, owing to the change disappearance of particular group of genes as individuals die out do not reproduce.

The above mentioned information indicate a typical example of Genetic drift

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3 years ago

What are two scientific issues that involve ethics

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1. Genetic engineering (bioengineering)
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