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sleet_krkn [62]
3 years ago
11

How does the pattern of embryological development provide further evidence that organisms have descended from a common ancestor?

Biology
2 answers:
snow_tiger [21]3 years ago
8 0
<span>A big variety of organisms’ genomes have genes that control the organisms’ development at different stages. The remains of ancestral traits usually appear at different stages of the embryological development. For example, hair growth and loss, the development and deformation of the yolk sac or appearance and disappearance of gill structures in the embryo development of vertebrates.</span>
GalinKa [24]3 years ago
3 0
Similar patterns of embryological development provide further evidence that organisms have descended from a common ancestor.  All species share a common descent, a group of organisms share common descent if they have a common ancestor. There is strong quantitative support for the theory that all living organisms on Earth are descended from a common ancestor.
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For the purposes of this question, we will assume the following notation for the involved alleles:

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A GGbb rabbit may only produce one type of gametes, namely Gb.

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Since not all theoretical combinations are present, the resulting Punnett square may be simplified as follows:

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gb   |   Ggbb

As seen above, 100% of the offspring will have a Gg genotype (resulting in gray fur). As for eye color, half of them will have a Bb genotype (resulting in black eyes) whereas the other half will have a bb genotype (red eyes).

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