When scientists say they share a universal genetic code it means that all organisms it can mean either DNA as the main source of hereditary information in all life forms we know of or more likely that all organisms we know of use a three base pair code for the synthesis of proteins, DNA produces mRNA. This mRNA is read three base pairs at a time by a ribosome and this is called the genetic code.
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They contain genetic information and assist in making proteins
Answer:
Explanation:
Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population.
ORR
Struggle for existence, variation and inheritance. These are said to be the necessary and sufficient conditions for natural selection to occur.
Answer:
The correct answer is inheritance.
Explanation:
Genetic characteristics are transferred from one generation to another.The mechanism of transfer of genetically determined characteristics from generation to generation is called inheritance.
Genetic characteristics are stored within the sex chromosome of both male(XY) and female(XX).During fertilization when the sperm cells fuses with ovum at that time some characteristics of both male and female gets incorporated into the diploid zygote which give rise to the new organism containing inherited genetic characteristics.
