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WINSTONCH [101]
3 years ago
13

Alana summarized what happens when a ball sitting on top of a grassy hill rolls down the hill.

Biology
2 answers:
Llana [10]3 years ago
6 0

Answer:

It's actually B that guy is wrong on Edge.

Explanation:

Ipatiy [6.2K]3 years ago
3 0

Answer:

b

Explanation:

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There are two types of vitamins, fat-soluble and water -soluble.

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How does the sun get its energy?​
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The following two genotypes are crossed: AaBbCc X+Xr AaBBcc X+Y, where a, b, and c represent alleles of autosomal genes and X+an
choli [55]

Answer:

1/64

Explanation:

The following genotypes were crossed: AaBbCc X+Xr and AaBBcc X+Y

If we asume that the autosomal genes are in different chromosomes, then they will assort independently during meiosis and gametogenesis. In that case, we can use the Multiplication Rule of Probability to obtain the probability of having a specific genotype in the progeny.<u> This rule states that when two or more events are independent, the probability of all them happening at the same time will be the result of the multiplication of the individual probabilities of each event.</u>

<u />

We can separate each gene in the cross to determine the genotypic ratios in the offspring, and then multiply the probabilities of the aaBbCc X+X+ genotypes to obtain the overall probability of having progeny with that genotype.

<h3><u>Aa x Aa </u></h3>

1/4 AA

2/4 Aa

1/4 aa

<h3><u>Bb x BB </u></h3>

1/2 BB

1/2 Bb

<h3><u>Cc x cc </u></h3>

1/2 Cc

1/2 cc

<h3><u> X+Xr x X+Y</u></h3>

1/4  X+X+

1/4  X+Y

1/4  X+Xr

1/4  XrY

The probability of having offspring with the aaBbCc X+X+ genotype will be: 1/4 × 1/2  × 1/2  × 1/4 = 1/64

5 0
4 years ago
Which of these is a pure substance that cannot be broken down by a chemical reaction?
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Explanation: An element is a pure substance that cannot be separated into simpler substances by chemical or physical means.

Each element has unique physical and chemical properties.

Plz mark brainliest:)

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4 years ago
I need help.
Hoochie [10]
It’s symmetrical if it’s equal on both sides?
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3 years ago
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