①该细胞的子细胞名称是精细胞或第二极体
②1 与2,3 与4 为同源染色体
③该动物体细胞的细胞核中DNA 数目最多为8 个
④若3 和4 为常染色体,则1 和2 是Y 染色体
⑤该动物体细胞中染色体组数目最多时有四组
⑥若1 上有一个A 基因,则在2 的相同位置可能是A 基因或a 基因.
Tony is buying a ticket to the match. (对划线部分提问)
____ ____Tony____?
阅读下面短文回答问题 Thank you for joining CCTV’s around the World show. Today we are in Egypt(埃及). It’s beautiful sunny day! There are many people here on .Some are taking photos. Others are riding camels ( 骆驼 ).The Egyptians (埃及人)are wearing a kind of scarf on their heads. They look cool! They wear them because it is so hot . This is a very interesting place . I'm looking at the five thousand years of history .