When she was conceived, both of Libby's parents contributed an X chromosome, which defined her . As she grew up, she experienced herself as being a typical young woman, which defined her .

Explanation:

Each offspring inherit one chromosome  from each set of chromosomes (from both parents), one from father and one from mother. In libby's case, if she inherit x chromosome from  both parents, these chromosomes define her sex.

Sex in case of humans,

XX= female

XY= male

As given, Lilly inherit x chromosomes from both of her parents so grew up as a women.

As libby grew up, her sex defines her gender.

you are the source of the heat energy. you can minimize the heat energy by selecting the appropriate clothes to wear.

c

explanation:

i think