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Ede4ka [16]
3 years ago
13

What do you think the letters f,r and w stand for in genotypes

Biology
2 answers:
kiruha [24]3 years ago
4 0

Answer: F stands for feather R stands for red and W stands for white.

Explanation:

r-ruslan [8.4K]3 years ago
4 0

Answer:  I think that F stands for feather, R stands for red, and W stands for white

Explanation:

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How can a mother with the B blood type, having A antibodies in her plasma, carry a baby full-term that inherits the A blood type
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The mother can carry a full-term baby with A blood type because the mother's blood does not mix with the baby's blood, so the mother's immune system does not activate attacking the baby.

Explanation:

The reason why a mother with B blood type and A antibodies in her system can carry a full-term pregnancy is thanks to the placenta. The placenta is a shared organ between the mother and the baby. Its function is to protect the baby and produce the necessary exchanges of nutrients and wastes between the maternal blood and the baby's blood. As the two types of blood are separated, and they never get in contact during pregnancy, the immune system of the mother does not recognize the baby as a treat. The mother can have A antibodies in her plasma due to a previous pregnancy where during delivery, the two types of blood mixed, also it can be due to any contact with the A blood type. When the foreign blood enters the body, the immune system forms antibodies for it.

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3 years ago
What are the factors that contributed to the success of pteridophyte as land plant
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Two factors contributed to the success of the pteridophytes: the extreme miniaturization of the gametophytic generation and an important development of the sporophytic generation (development of the tree forms).

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Particularly well adapted to terrestrial life, they have created, thanks to the development of tree forms, immense forests whose fossilization is at the origin of coal deposits.

Pteridophytes are at the origin of an evolutionary lineage based on the extreme miniaturization of gametophytic generation and an important development of sporophytic generation, leading to all tracheophytes including current flowering plants. Pteridophytes are well adapted to terrestrial life, however fertilization still requires the presence of water since male gametes are swimmers.

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How do global winds affect climate?
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