Well from the statements is pronounced it is an observation.
Answer:
Selective breeding by controlled mating
Explanation:
This technique is used by scientists, breeders, and more. In order to study and breed selected types of animals/plants to get and bring out the ideal traits they're looking for as your statement said.
Answer:
Mistakes during mitosis during prophase leads to the production of daughter cells with too many or too few chromosomes, a feature known as aneuploidy. Nearly all aneuploidies that arise due to mistakes in meiosis or during early embryonic development are lethal, with the notable exception of trisomy 21 in humans.
For the answer to the question above, I believe the answer is "PLACENTA"this organ develops in your uterus during pregnancy.
<span>the placenta provides oxygen and nutrients for your baby's growth and removes away the waste products from the baby.
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Actually Welcome to the Concept of the Biology
1) Brab Fish
2) Newts