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Viefleur [7K]
3 years ago
13

Do arthropods have three embryonic germ layers

Biology
1 answer:
crimeas [40]3 years ago
6 0
Yes arthropods are triploblastic that is they have 3 embryonic germ layers
Endoderm, Ectoderm and Mesoderm.
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Answer:

1/4 WR; 1/4 wr; 1/4 wR; 1/4 Wr

Explanation:

The principle of independent assortment indicates how different genes independently separate from one another when gametic (reproductive) cells develop. When a cell divides by meiosis, homologous chromosomes are randomly distributed to daughter cells, thereby different chromosomes segregate independently of each other. In consequence, each gamete has a unique combination of chromosomes. In this case, the two genes are on different homologous chromosomes, thereby gene variants (alleles) will be randomly distributed to daughter cells during meiosis (anaphase I) and thus the expected proportion of gamete genotypes will be 1/4 WR, 1/4 wr, 1/4 wR, 1/4 Wr.

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