reproduction

What floral organ does the development of the embryos of angiosperms occurs in? Is it the ovary? The pollen tube grows down through the style and double fertilization occurs and the embryo begins... more

Are all plants capable of sexual reproduction? Some can do asexual reproduction as well but I haven't found any plants that aren't capable of sexual reproduction. Is it correct to say all plants... more

I have always wondered why flowers reproduce with the same species naturally. Why can't the pollen grains get to a different species flower through via the wind, water, or insects?

A friend has two cherry bushes (prunus tomentosa). Prunus tomentosa is said to be partially self-fertile, but benefits from cross-pollination. The two cherry bushes set fruit, and so my friend... more

What I'm actually interested about is whether a modification in one cell during the life of an **asexually** reproducing organism affects its genetic information? Which cell's genetic information... more

I started Lo Loestrin Fe ([a combined estrogen-progestin oral contraceptive pill](https://en.wikipedia.org/wiki/Combined_oral_contraceptive_pill)) about 4 months ago. The first month on it, I got... more

Currently (to my knowledge), for a female same-sex couple to conceive a child and for both women to be involved, one would donate an egg, the other actually gives birth, and the sperm is donated by... more

I started Lo Loestrin Fe (a combined estrogen-progestin oral contraceptive pill) about 4 months ago. The first month on it, I got my period. The second month, I did not. The third month I got it.... more

Let's say we have a mother giving a birth to a son. In a very clear manner the cells of these two individuals are very different, of course. Yet there is an umbilical cord connecting them. Then... more