Answer:Duchenne muscular dystrophy is inherited in an X-linked recessive pattern. Males have only one copy of the X chromosome from their mother and one copy of the Y chromosome from their father. If their X chromosome has a DMD gene mutation, they will have Duchenne muscular dystrophy.
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Answer:
Because it melts glaciers which raises sea levels.
Explanation:
The organ in which a fertilized ovum implants and develops into a baby is called the uterus
Answer:
b) the human form of hexokinase.
Explanation:
According to the given information, the amino acid sequences of bacterial and human hexokinase enzyme are different. When a human hexokinase gene sequence is introduced into a mutant bacteria that lack its own hexokinase gene sequence, the resulting bacteria will produce the human form of hexokinase. This is due to the fact that the introduced sequence was from the human hexokinase gene.
Promoters serve as binding sites for RNA polymerase to facilitate gene transcription. Therefore, the presence of a normal bacteria promoter would allow the transcription of the human hexokinase gene in the mutant bacteria.