Mendel was not the first to propose genetics however, he was the first to figure out that genes (he called them elements) came in pairs and that one member of each pair came from each parent. As a result of his realization regarding pairs of genes, Mendel determined what are called Mendel's laws of inheritance..
Chickens usually don't simply stop laying eggs when they get to a certain age, but they will lay fewer as they get older.That said, most laying breeds will lay more or less productively in backyard terms for five or seven years.hickens usually don't simply stop laying eggs when they get to a certain age, but they will lay fewer as they get older.
Rating Newest Oldest. Best Answer: The first egg is laid within 10 days after mating. The lovebirds eggs are laid in the nest every other day. The hen usually starts to brood (sit on the eggs)after the second egg is laid. It takes up to 10 days for them to be laid. Most time the eggs are laid at night.