I can’t help you with the first two questions, as I do not have a reference, but I can help you with the last two. Cystic fibrosis is a recessive trait. It is caused when specific sections of both copies of chromosome 8 are deleted, which in other words mean that it is not a sex-linked disorder because it isn’t inherited from the mother and father of the offspring.
No, all mutations are not bad. Only a small amount of mutations cause genetic disorder. Some in fact are good mutations. There is actually one mutation that is found roughly in 10% of Europeans which affects the CCR5 protein and it prevents HIV from entering the cell!
Answer:
Run off of animal/plant waste
Explanation:
The run off of animal/plant waste occurs in 3 layers:
upper layer: the terrestrial chamber, the decomposition chamber, and the aquatic chamber.
The terrestrial layer represents the land habitat including plants and insects whereby waste are moved into the
The decomposition layer much like a compost pile where it decomposes and then move into
The aquatic layer much like a mini freshwater habitat for aquatic plants and even small fish, it serves as food sources for them
Answer:
b it does not really help structural support that is more a cell wall thing
Explanation:
Answer:
The diagram below represents some stages in the life cycle of humans. The numbers in the diagram represent various processes in the cycle.
Answer:
A. Constipation
Explanation:
As there would be easy passage of faeces, based on an increase in roughage for the colon to press and rub against
