Point mutation:
In point mutation, one nucleotide is swiped for another.
Frame shift mutation:
Frame shift mutation are due to either insertion or deletion of nucleotide. This causes the entire DNA to elongate or shrink in size.
Frame shift mutation may alter all the codons that occur after insertion or deletion.
Prey-predator relationship. Explanation: The relationship between the praying mantis feeding on a bee.
Answer:
The correct answer is - 20000, 25,000 genes.
Explanation:
Genes are made by the functional and physical unit of the heredity called DNA. Genes are the precursors or encoded instructions to make a specific protein. Genes can be small or large depending on the DNA bases present in it which can be hundreds to millions in numbers.
According to the Human Genome Project, which found out the total genes present in a human genome between 20000 to 250000 genes approximately.
Thus, the correct answer is - 20000, 25,000 genes.
Answer:
No
Explanation:
The spotted hyena (Crocuta crocuta Erxleben) and the lion (Panthera leo Linnaeus) are two of the most abundant and charismatic large mammalian carnivores in Africa and yet both are experiencing declining populations and significant pressures from environmental change.