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Genetics

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Lisandro Veum

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Cards in this guide (7)
Human height eye color and skin color are all traits controlled by what

DNA you get them passed down from genes/traits!

How is meiosis similar to mitosis

Both meiosis and mitosis are forms of cell reproduction.

They both have a prophase and an anaphase.
Both are forms of cell reproduction/

Both are forms of nuclear division. Meiosis occurs in generative cells and mitosis in somatic cells.

If A bag contains 3 orange 5 black and 2 white marbles Two marbles are drawn but the first marble is not replaced Find P white then black

Bag with 10 marbles: 3 orange, 5 black, 2 white.

Rephrasing the question.

If a marble is drawn from the bag, then returned to the bag, and a second marble

is drawn, what is the probability that the first marble turns out white and the second

marble black ?

The probability for a marble to come out white from the bag is:

P(W) = 2/10 = 1/5

The probability for a marble to come out black from the bag is:

P(B) = 5/10 = 1/2

The probability for a marble to come out white, put back in the bag and then take again a marble for a second time and turns out to be black is:

P(B2|W1) = (1/5)∙(1/2) = 1/10 = 0.10 = 10 %

What term defines a gene made up of two diffrent alleles

Heterozygous

When the dominant allele does not completely mask the effect of the recessive allele in the heterozygote it is called polygenic dominance incomplete dominance dominance corecessive codominance

Incomplete dominance.

Asbestos breaks down into small fibers. What may result If these fibers are inhaled

Asbestosis is a restrictive lung disease which can be fatal. In addition, exposure to asbestos can cause lung cancer and a cancer of the lung lining called mesothelioma. While lung cancer has a number of associated causes, asbestosis and mesothelioma are uniquely associated with exposure to asbestos.

Based on his experiments Mendel concluded that each trait was controlled by two

invisible "factors" - now called genes.

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