How does the karyotype of a person with Down syndrome differ from a normal karyotype?
A It lacks a chromosome.
B It has two sex chromosomes.
C It occurs in XO individuals.
D It has an extra copy of a chromosome.

Which statement best reflects how martin luther king, jr. uses rhetoric and style in paragraph 9 of "letter from a birmingham jail" to assist him in advocating the use of nonviolent direct action to achieve justice for negro citizens in birmingham? click here to read the letter.

Plz halp. which statements are true about theme? check all that apply. 1.) themes are observations about life. 2.) themes can be stated in a sentence. 3.) themes and topics are the same thing. 4.) themes are messages a text conveys about a topic. 5.) examples of themes include loyalty, corruption, and greed. 6.)themes are rarely stated directly and need to be inferred by the reader.

Which quotation best supports the authors’ claim and purpose?