Answer:
PKU signs and symptoms can be mild or severe and may include: A musty odor in the breath, skin or urine, caused by too much phenylalanine in the body. Neurological problems that may include seizures. Skin rashes (eczema)
Genetic
Explanation:
To determine how many patient can be safely accepted from each level of severity.
Addition mutation
This is an addition mutation because the mutated strand has an additional one nucleotide (cytosine) at the end.
Explanation:
This kind of mutation , including deletion mutations, are lethal because they cause a frameshift mutation. Frameshift mutation are a change in codon sequences downstream of a mutation. This causes different amino acids to be coded by the different codons hence changing the translated protein.
Learn More:
For more on mutations check out;
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Answer:
A. The nymph does not have wings.
Explanation:
The nymph takes time to develop into adult hood. And in adult hood is when it devolps its wings. So when its a nymph it does not have wings
Pioneer species are hardy species which are the first to colonize previously disrupted or damaged ecosystems, beginning a chain of ecological succession that ultimately leads to a more biodiverse steady-state ecosystem. Some lichens grow on rocks without soil, so may be among the first of life forms, and break down the rock into soil for other plants.