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vampirchik [111]
3 years ago
9

Which statement explains the difference with the spiders living in the urban environment

Biology
1 answer:
Mars2501 [29]3 years ago
3 0

Answer:

B

b

b

b

b

b

nb

b

bb

b

b

bb

bb

b

b

b

b

v

v

v

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What are the macromolecules DNA and RNA referred to as?
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Nucleic Acids

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Between carbohydrates, lipids, proteins, and nucleic acids, DNA and RNA molecules most accurately fall under the macromolecular category of nucleic acids.

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Explain how genes are expressed for a particular
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Which two things are found on a molecule of tRNA
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Answer: Ribose nucleotides and the nitrogenous bases

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3 years ago
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Pea flowers may be purple (P) or white (p). Pea seeds may be round (R) or wrinkled (r). What proportion of the offspring from a
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The correct answer is c. 3/16.

Explanation:

In the given question two traits being studied, the traits are flower color and seed shape.

This is a typical Mendel’s dihybrid cross. According to the question purple colour (P) and round seed (R) are dominant traits.

When heterozygous purple-flowered (Pp), round-seeded (Rr) individuals are crossed, four different types of plants are produced phenotypically in the ratio 9:3:3:1.Out of 16 offspring, 9 are purple flowered, round seeded pea plants, 3 pea plants are white-flower with round seed, 3 are purple- flower with wrinkled seed and 1 pea plant is white-flowered with wrinkled seed pea plant is produced.  

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3 years ago
MULTIPLE-SELECT QUESTION: CHOOSE TWO
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B and D

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