Chain letters?

This crossword clue is for the definition: Chain letters?.
it’s A 14 letters crossword puzzle definition.
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Possible Answers: DNA.

Last seen on: LA Times Crossword 26 Jul 19, Friday

Random information on the term “Chain letters?”:

Gratis Internet is a Washington, D.C.-based referral marketing company that rewards customers with products of high-demand such as the iPod and PlayStation 3. In 2004 it became a member of the Inc. 500; while in 2005 Gratis broke into the top twenty at eighteen. Its name comes from the Latin word Gratis, meaning free of charge.

Gratis Internet was established in 2001. Since July 2004, it has launched a number of Web sites offering free merchandise, most notably iPods, to users who register and complete membership requirements.

Although the word “free” is used prominently, would-be members seeking to complete an offer to qualify for the free merchandise are often given a number of options, some of which involve signing up and paying for a service or subscription. Gratis has launched its Web sites in the United States, United Kingdom, Canada, Germany, and Australia.


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Gratis’s revenue in 2004 was US$20.5 million, according to Inc.com. Inc.com also reported that Gratis Internet had only 12 employees.

Chain letters? on Wikipedia

Random information on the term “DNA”:

An autosome is a chromosome that is not an allosome (a sex chromosome). The members of an autosome pair in a diploid cell have the same morphology, unlike those in allosome pairs which may have different structures. The DNA in autosomes is collectively known as atDNA or auDNA.

For example, humans have a diploid genome that usually contains 22 pairs of autosomes and one allosome pair (46 chromosomes total). The autosome pairs are labeled with numbers (1–22 in humans) roughly in order of their sizes in base pairs, while allosomes are labelled with their letters. By contrast, the allosome pair consists of two X chromosomes in females or one X and one Y chromosome in males. Unusual combinations of XYY, XXY, XXX, XXXX, XXXXX or XXYY, among other allosome combinations, are known to occur and usually cause developmental abnormalities.

Autosomes still contain sexual determination genes even though they are not sex chromosomes. For example, the SRY gene on the Y chromosome encodes the transcription factor TDF and is vital for male sex determination during development. TDF functions by activating the SOX9 gene on chromosome 17, so mutations of the SOX9 gene can cause humans with an ordinary Y chromosome to develop as females.

DNA on Wikipedia