Electrical
Neurons typically communicate using ___________ signals to communicate within a neuron.
Evolution occurs when<span>these heritable differences become more common or rare in a population, either non-randomly through natural selection or randomly through genetic drift
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Answer:
<u><em>Complementary base pairing is important in DNA as it allows the base pairs to be arranged in the most energetically favourable way</em></u>
<u><em>It is essential in forming the helical structure of DNA. It is also important in replication as it allows semiconservative replication</em></u>
<u><em>A complementary base is either of the two nitrogen-containing sections of a nucleotide that bond together to connect strands of DNA or RNA</em></u>
<u><em>DNA and RNA are complex molecules that are central to genetics and both are made of things called nucleotides.</em></u>
Explanation:
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Ans.
Heterozygous organisms show presence of two alternatives alleles for same trait. For plant height, a heterozygous tall plant, will show both the T (for tallness) and t (for shortness) alleles, as T allele is dominant over t allele. When a cross is made between heterozygous tall plants (Tt), there are 50% chances that a randomly selected allele will carry allele for shortness (t) as shown below:
Thus, "the probability that a randomly selected gamete will carry 't' allele in a cross between heterozygous tall pea plants, is 1/2."
