Huntington's disease is an autosomal dominant disorder that affects the nervous system. if a man is heterozygous for the alleles that cause the condition and has children with a woman who lacks that defective allele, which of these statements is true?

Next pretest: evolution select the correct answer in a laboratory population of flies, the female flies are gray and the males are yellowish gray. biologists observed that all the male flies had an equal chance for reproduction, but the male flies with the brightest colors were more likely to successfully reproduce. what phenomenon could explain such a change? a sexual selection b. disruptive selection c. stabilizing selection d. directional selection

What must be true for natural selection to heppen

Explain the process that creates the heat of the sun?