What is TRUE regarding telomere length and replication?

The first approach to sequencing the human genome via chromosomal walking had limited success because

Which of the following will be detected by the DNA polymerase’s proofreading domain?

The finger domain of DNA polymerase 

A three-factor cross is performed, and the offspring with the lowest percentage of recombination were phenotypes ABc and abC. The gene order is

Opossums are found in the grouping

Which is FALSE about RNA?

Lannister Inc. uses the percentage-of-sales method to estimate uncollectible receivable balances. Net credit sales for the current year amount to $5,000,000 and management estimates 2.5% of net credit sales will be uncollectible. Allowance for Uncollectible Accounts prior to adjustment has a credit balance of $16,000. There were no write-offs of uncollectible accounts. After all necessary adjusting entries are posted, the balance in Allowance for Uncollectible Accounts will be:  

The Dust Bowl of the 30s was caused by waterlogging the crop fields and a tornado.

Which of the following events leads to cancer?