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Grace [21]
3 years ago
11

The diagram below shows a portion of the geologic time scale.

Biology
2 answers:
Artist 52 [7]3 years ago
6 0

Answer:

microscopic life appeared on Earth before flowering plants

Explanation:

Gala2k [10]3 years ago
3 0
The answer is microscopic life appeared on Earth before flowering plants. This is because according to the label on the second box, microscopic life appeared 4.0 to 3.5 billion years ago, and this is way before the date 250 to 120 millions years ago indicated on the label on the sixth box the flowering plants appeared on Earth.
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classify if the recessive allele for cystic fibrosis is represented as c, classify the following genotypes as homozygous dominan
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C = dominant
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Recessive traits are expressed only when two recessive alleles are present

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This person would be homozygous dominant and would not pass on the disease because they do not have any cystic fibrosis alleles.

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