The terms dominant and recessive describe the inheritance patterns of certain traits. ... For a recessive allele to produce a recessive phenotype, the individual must have two copies, one from each parent. An individual with one dominant and one recessive allele for a gene will have the dominant phenotype.
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Answer:
Question 1. (C. Gravity) Question 2 (A. Stays the same) Question 3. (C. The Sun)
Explanation:
Question 2: I say this because it depends on where the planets are orbiting. Because planets closer to the sun <u>will always</u> have shorter years and and planets farther from the sun <u>will always</u> have longer years.
The other two question Im am 100% positive Im correct. So if someone knows Im correct or incorrect on question 2 please comment the answer below!
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Answer:
Air is essential for all organisms
Answer:
organelles are very similar to present-day bacteria, suggesting a common ancestor.
Explanation:
Some evidence suggests that some organelles like mitochondria and chloroplasts within eukaryotes were once used to be independent eukaryotes.
Endosymbiosis theory says that ancestral prokaryotic cells engulfed bacteria like cyanobacteria which with time evolved into mitochondria and chloroplast. Molecular evidence also proves that these organelles were once prokaryotic organisms because they show similar genetic makeup and ribosome type.
So these organelles are similar to present-day bacteria showing that they have a common ancestor.
