| Ročník 2023 | ||
| Kategorie Věda fotogenická | ||
Happy with you! Active pollen penetrating the female surface When a happy pollen meets a happy female, the pollen grows a fastest growing single cell (a pollen tube) to deliver two sperm cells in deep tissues of the female for fertilization to produce a "happy" embryo and eventually a healthy seed. *happy = compatible. | Don't lose your child; Protect your chromosomes Fertility loss in plants comes in multiple formats. Here, an example of a loss of gene function required to protect chromosome-ends (RUVBL, a homolog of human Pontin protein), results in embryo abortion and loss of seed production. | Don't lose your child; Protect your chromosomes Fertility loss in plants comes in multiple formats. Here, an example of a loss of gene function required to protect chromosome-ends (RUVBL, a homolog of human Pontin protein), results in embryo abortion and loss of seed production. |
