What is double fertilization?单项选择题
A
Double fertilisation is a unique mechanism that results in the formation of a triploid embryo (3N) and a diploid endosperm (2N) in flowering plants
B
Production of two seeds at the same time in a flower
C
Double fertilisation is a unique mechanism that results in the formation of a diploid embryo (2N) and a triploid endosperm (3N) in flowering plants
D
Production of twin embryos at the same time in a flower
登录即可查看完整答案
我们收录了全球超50000道真实原题与详细解析,现在登录,立即获得答案。
类似问题
Why does the endosperm in a seed of a flowering plant typically contain more than two copies of the genome?
Double fertilization in angiosperms results in production of a zygote and the _____.
A pollen tube delivers two sperm to the ovule in order to accomplish double .
One sperm cell fuses with the egg cell while another sperm cell fuses with two nuclei in one of the cells of the female gametophyte in the process of fertilization.
更多留学生实用工具
希望你的学习变得更简单
加入我们,立即解锁 海量真题 与 独家解析,让复习快人一步!