A: On 12 September 2001, less than 24 hours after the terrorist attacks against the United States, NATO declared the attacks to be an attack against all NATO member countries within the terms of Article 5 of the North Atlantic Treaty.
Humans have an additional pair of sex chromosomes for a total of 46 chromosomes. The sex chromosomes are referred to as X and Y, and their combination determines a personâs sex. Human females have two XX chromosomes while males possess an XY pairing.
Produce oocytes and the hormones estrogen and progesterone. II. Male and female reproductive roles. a. Most cells in the body have 46 chromosomes located in the nucleus. This is called the diploid. number (2n). These 46 chromosomes come in a set of 23 homologous pairs. i.