Can you help me please?

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.

The author attributes papa's unforgivable behavior to which of the following? a. the painful memories connected with his 9-month ordeal in south dakota b. papa's increasing addiction to alcohol c. papa's unfulfilled need to be in charge of something and/or someone d. mama's emotional distance from papa

It is true that prior to 1914 the united states often had been disturbed by events in other continents. we had even engaged in two wars with european nations and in a number of undeclared wars in the west indies, in the mediterranean and in the pacific for the maintenance of american rights and for the principles of peaceful commerce. but in no case had a serious threat been raised against our national safety or our continued independence. what is the theme of this excerpt? a. the responsibility for americans to avoid involvement in war.b. america’s history of international involvement.c. a new kind of threat to american security.d. america’s history as a peaceful nation.