The development of adaptive traits is a result of natural selection, one of the main mechanisms underlying evolutionary change.
Understanding natural selection is also becoming more and more important in real-world settings, such as resource management, agriculture, and medicine. Even among people with postsecondary physical education, studies show that natural selection is generally very poorly understood.
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The first one:He may be introducing an invasive species into the ecosystem that may damage it greatly
The correct choice is v=d/t
Answer:
See the answer below
Explanation:
From the illustration, the yellow color trait is dominant over the green trait.
<em>Assuming that yellow seededness is represented by the allele Y and green seededness by the alleles y. Y is dominant over y, hence a yellow seeded plant would be either YY or Yy while a green seeded plant would be yy.</em>
For a cross between a yellow seeded plant and a green seeded plant to yield all yellow seeded offspring, it means that the parents are YY and yy.
(yellow)YY x (green) yy
F1 progeny: All Yy (yellow)
Now, Yy is crossed with green-seeded plant, yy.
Yy x yy
Yy Yy yy yy
Hypothesized Genotypic ratio
Yy = 1/2
yy = 1/2
Hypothesized Phenotypic ratio
Yellow seeded = 1/2
green seeded = 1/2
