Duchenne muscular dystrophy is a genetic disorder that arises from a recessive x-linked allele. why is this disorder almost always restricted to males? a. males have xx chromosomes and therefore have a higher chance of carrying both recessive alleles for this genetic disorder. b females have xx chromosomes and therefore have a very low chance of carrying both recessive alleles for this genetic disorder. c. females have xx chromosomes and therefore have a higher chance of carrying both recessive alleles for this genetic disorder.

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.

Match the order of the levels of organization in nature with the correct description. example: atoms are fundamental units of matter= level 1levels- 2,3,4,5,6,7,8.now what levels are these? population consists of organismscells consist of moleculesecosystems consist of communities interacting with there environmentmolecules consist of atomsthe biosphere consist of all ecosystems on earthcommunities consists of populationorganisms consist of cells