桑椹胚
受精卵卵裂到16-细胞期时,整个胚胎看起来很像一个桑椹,叫桑椹胚。
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/812079.html
上一篇:下列属于标记语言的有
下一篇:The following passage is incomplete with one body paragraph missing. Study the passage carefully and write the missing paragraph in about 100 words. Make sure that your tone and diction are in unity with the passage provided. The Doubt That Haunts W