In which position is it winter in North America? A. Position 1, because North America receives the most direct sun
B. Position 2, because North America is tilted toward the sun
C. Position 3, because North America is parallel to the sun
D. Position 4, because North America is tilted away from the sun

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.

The illustration shown is an ovum, a female sex cell. a mutation in this cell may be passed to the woman’s offspring during a) birth. b) mitosis. c) dna replication. d) sexual reproduction

What is the key to the recognition of codominance?