If cell x enters meiosis, and nondisjunction of one chromosome occurs in one of its daughter cells during meiosis ii, what will be the result at the completion of meiosis? a. ¼ of the gametes descended from cell x will be n+1, ¼ will be n-1, and ½ will be n. b. half of the gametes descended from cell x will be n+1, and half will be n-1.c. all the gametes descended from cell x will be diploid. d. two of the four gametes descended from cell x will be haploid, and two will be diploid.

Apea plant that is heterozygous for the tall phenotype can produce short offspring when self pollinating. which of the following explains why this occurs? a. segregation of allels b. condominance of traits c. polygenic expression of traits d. independent assortment of alleles

Scenario #2 in 2001, a population of 2,500 poison dart frogs lived in the amazon rain forest. due to increased deforestation, the population dwindled to 25 frogs in 2019. new government regulations were enacted in 2022, successfully putting an end to the deforestation of the amazon rain forest. once deforestation was stopped, the poison dart frog population was able to recover. by 2050, the population reached 8,000 frogs, of that population, 20 are homozygous recessive for being spotted (ss genotype). q2- ? q- p- p2- 2pq-

Which greenhouse gas is emitted when burn fossil fuels for energy? a.nitrogen b.oxygen c.carbon dioxide d.helium