抗维生素D佝偻病为X染色体显性遗传病，短指为常染色体显性遗传病，红绿色盲为X染色体隐性遗传病，白化病为常染色体隐性遗传病，下列关于这四种遗传病遗传特征的叙述，正确的是（ ）

根据短文内容和首字母提示，在下文空格处填入适当的词使短文完整。在标有题号的横线上，完整写出空缺处所填单词的正确形式。
       Remember to be a good boy or a girl any time. It's i____  to have good manners, especially in some p____ places. When you are waiting in line, don't jump the queue. Be p____ . Don’t stand too close to others in the line. Keep 20cm a____  if you can.
     F____  the advice of the workers when your are having a visit on a place of interest. Do not climb on exhibitions. Make s____ it's OK to take pictures before you hold up your camera. When you go to shows, w____  clean clothes. You should get to the show 15 minutes before it starts. During the shows, turn o____ your cell phone. Don't eat during the show. Restaurants will be quite busy. Don't stay too long when you finish eating. Remember to t____ your rubbish away after the meal.
    Good manners can make you a g____ or a lovely lady. Wherever you are, others will be pleased with you.

下表为某年度四个国家粮食作物生产的统计表。据表完成下列各题。