<h3><u>Answer;</u></h3>
He crossed two pure breeds
<h3><u>Explanation;</u></h3>
- <em><u>F1 or the first filial generation is the first generation of offspring produced by crossing a set of parents to help show what genes will be inherited from crossing pea plants. Therefore, the F1 generation consist of or offspring from the parents.</u></em>
- <em><u>Mendel performed a true breeding cross, meaning he crossed one homozygous recessive for a trait and one homozygous dominant for the trait. This gave rise to the heterozygous dominant offspring. </u></em>
The purines always pair with the pyrimidines
The history of the present illness is documented in the MEDICAL HISTORY section of the patient's record.
The medical history section contain information about all the diagnoses, medical care and treatment that the patient had received. These information help the current physician to have an idea of what has been going on concerning a patient's case in the past and he will documents his own observation in this section.
