Gregor Mendel discovered the fundamental principles of heredity and established the mathematical underpinning of genetics.
<h3>What is Mendel's theory?</h3>
While researching pea plants, Gregor Mendel discovered the fundamental laws of inheritance. He arrived at the conclusion that genes arrive in paired and are handed down as independent units, one from each parent.
Mendel examined the segregation of parental genes and how they appeared as dominant or recessive traits in offspring.
Thus Option B is correct about what factors Mendel studied.
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the confederacy lacked soldiers compared to the union and lacked factories to produce weapons, etc
Answer:
Their age groups in adulthood
Explanation: Someone around 30s is young while 50 is old and someone around 70 is Older and is already in the decline period of his life .