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kvv77 [185]
3 years ago
8

The process of natural selection occurs randomly in nature. true or false

Biology
1 answer:
djverab [1.8K]3 years ago
3 0
False in a sense because it is not random. It is just that some organisms have more advantageous characteristics than others. These genes are then passed on which makes the likelihood of the next generation surviving greater.
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At the end of meiosis 1 how many cells are there
GarryVolchara [31]
Meiosis produces four genetically different haploid cells.

7 0
3 years ago
A man is brachydactylous (very short fingers; rare autosomal dominant), and his wife is not. Both can taste the chemical phenylt
netineya [11]

Answer:

The correct answer is -

A) BbTt x bbTt

B) .5^4 or 1/16 or 0.0625

Explanation:

As it is given that Brachydactylus and PTC tasters both traits are autosomal dominant conditions which mean only one allele would be enough.

For Branchydactylus and For tasting :  man and women will be heterogeneous.

Hence,

The Genotype of man = BbTt

The Genotype of wife = bbTt

b. Answer = 0.0625

For Branchydactylus:

Bb X bb

Possible genotypes:

B b

b Bb( Brachydactylus) bb(normal)

b Bb (Brachydactylus) bb (normal)

The probability of a single child being Branchydactylus = 2/4 = 0.5

So,  Probability of all 4 child being Branchydactylus = .5 x .5 x .5 x .5 = 0.0625

3 0
3 years ago
Sarah drew a triangle with a angle measures of 50°, 43°, 87°
jek_recluse [69]

Answer:

Acute

Explanation:

It only has angles less than 90°.

8 0
3 years ago
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How does pH ultimately affect an enzymes function?
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B . By altering the enzyme's shape and structure due to a change in its optimal pH.

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hope it is helpful to you

7 0
3 years ago
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Define abiotic and biotic
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Abiotic are the non-living physical and chemical factors that can affect the ecosystem, such as amount of water, temperature, amount of sunlight, etc.

Biotic are the living organisms inside the ecosystem, and can include humans, animals, and plants.

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6 0
3 years ago
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