Kinda confused can someone help

Which statement about lethal genes is most accurate? question 5 options: they can be maintained in a gene pool by heterozygous carriers when the allele is recessive and the individuals reproduce. they cannot be maintained in a gene pool because they are always dominant. they cannot be maintained in a gene pool because the individuals do not survive. they can be maintained in a gene pool if the allele is expressed before reproductive age.

Compare the excerpt you read from the introduction of great astronomers to the article you read about gis. what differences in purpose and tone do you notice?

Is the point in the oaqs method where you would you look for more information, a definition, or interpretation.