Which human characteristic is controlled by polygenic inheritance?

Biology

1 answer:

vladimir1956 [14]3 years ago

6 0

Answer:

Human polygenic inheritance are height, skin color, eye color and weight.

Explanation:

Polygenic inheritance is the set responsible for many characters that appear simple from the surface. Many characters such as weight, shape, height, color, and metabolism are governed by the cumulative effect of many genes.

Polygenic inheritance is not expressed at all as discrete characters, as in the case of Mendelian characters. Instead, polygenic characters are recognized by being expressed as graduations of small differences (a continuous variation). The result forms a curve with an average value at the peak and extreme values in both directions.

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Suppose we discovered a form of life like our own which utilized 20 amino acids, but had 6 nitrogeneous bases instead of the 4 o

mezya [45]

The minimum legth of a codon could be two. If it was only one of the 6 nitrogeneous bases in a codon, we'd only have 6 possible amino acids. If we have, though, a combination of two amino acids out of the 6 nitrogeneous bases, we would have then 36 possible combinations (6 possibilities for the first position × 6 possibilities for the second position) that would allow the existence of the 20 different amino acids.
In the human case, for example, with only 4 nitrogeneous bases, a combination of two amino acids would be insufficient (4×4=16) for the 20 amino acids.

6 0

3 years ago

object forms when a supergiant runs out of fuel?a red giant a black hole a white dwarf a neutron star

LenKa [72]

ANSWER:

When a supergiant runs out of fuel, the object formed is either a black hole or a neutron star.

EXPLANATION:

Supergiant are very large stars in the galaxy that end their lives very quickly.

When a supergiant star loses its fuel, it blows itself by a supernove explosion.

When supernove explosion happens, the supernova outshines other stars in the galaxy and then slowly faded away leaving a dense object called black hole or neutron star.