The correct options are B (Non-sister chromatids exchange DNA segments), C (Homologous chromosomes physically connect), and D (Is a source of genetic information of chromosomes to crossing over in meiosis.
In meiosis I, crossing over takes place during prophase I. It entails the exchange of genes across homologous non-sister chromatids, enabling the admixture of new, recombinant chromosomes containing both mother and paternal genetic material. When chromosomes of the same kind are paired together during meiosis, a biological event called crossing over takes place. Parts of the chromosome can be exchanged when two chromosomes, one from the mother and one from the father, line up. The same genes may be present on the two chromosomes in different versions.
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Not sure what the options are, but artificial selection would be when farmers/breeders choose only to plant/breed the organism with desired characteristics in order to cause the evolution of the trait while natural selection is when organisms that are better adapted to their environment usually survive and produce offspring, causing the evolution of their traits which help them to survive.
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Answer:
It allows information to go from one neuron to another through neurotransmitters.
<span>Well, one is hydrophobic and one is hydrophilic so that causes a big effect in the way that the amino acids are grouped together or spread out</span>