Which trait exhibits typical dominant/recessive inheritance in humans?

1 answer:

3 0

There's a bunch of examples.
For example, hairlines. A widow's peak is a dominant trait over a straigh hairline.

Or dominant hand type. Right hands are dominated over left hands.

Or hair types. Curly hair dominates straight hair.

If you google it, you'll get a lot more examples.

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Describe why certain traits increase in frequency in a population. Provide ONE example to support your response.

lidiya [134]

Answer:

When a phenotype produced by certain alleles helps organisms survive and reproduce better than their peers, natural selection can increase the frequency of the helpful alleles from one generation to the next – that is, it can cause microevolution.

Explanation:

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Explain how silent mutations affect the structure and function of the protein

Burka [1]

Answer:

Silent mutations do not affect protein function

Explanation:

A mutation is defined as any alteration in the genetic material of a cell of a living organism. Moreover, a silent mutation refers to any mutation that does not alter the phenotype of the cell/organism (they are evolutionary neutral mutations). Silent mutations are base substitutions that do not alter the amino acid sequence of the resulting protein, and therefore these mutations do not alter protein function.

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Which component in blood is directly related to Hemophilia? Why?

dezoksy [38]

Answer:

Hemophilia is a hereditary bleeding disorder caused by a deficiency in one of two blood clotting factors: factor VIII or factor IX. Several different gene abnormalities can cause the disorder.

Explanation:

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Which fossils provide information as to the mode of formation of an oxygen-rich atmosphere by about 2 billion years ago?

Oksanka [162]

Answer:

The fossils that provide information on the formation of an oxygen-rich atmosphere are the stromatilites from the Precambrian era. These are layered and columnar fossils consisting mainly of cyanobacteria which were the original life form back then. These bacteria took in carbon dioxide and produced oxygen by photosynthesis as early as 2.5 billion years ago (the earth is about 4.5 billion yrs old).

Explanation:

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Using at least 25 of the 40 vocab terms below create a Concept Map linking the terms together with meaningful descriptor arrows.

Svetllana [295]

Answer:

Check the diagram to see the answer.

Explanation:

The DNA or deoxyribonucleic acid also referred to as Double-Helix is found in the nucleus of the cell. It holds the genetic code passed from parents to offsprings during reproduction. DNA strands and proteins form a complex in the nucleus. The DNA polymerase as well as ligase and helicase help in the replication and repair of DNA strands.

The RNA is complementary to its DNA counterpart. It is synthesized from the DNA by the RNA polymerase during the process of transcription. A sequence of three DNA or RNA is called a condon, and each condon is an Amino acid or stop bit. The RNA has a single-helix shape

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