China pioneered hybrid rice, bred from two genetically distinct parents to achieve significantly higher yields. It created ...

This is a preview. Log in through your library . Abstract A synopsis is provided of different expressions of whole-animal vertebrate clonality (asexual organismal-level reproduction), both in the ...

This is a preview. Log in through your library . Abstract Research over the past two decades shows that both recombination and clonality are likely to contribute to the reproduction of all fungi. This ...

Genetic diversity is essential to the survival of a species. It's easy enough to maintain if a species reproduces sexually; an egg and a sperm combine genetic material from two creatures into one, ...

WEST LAFAYETTE, Ind. - A fungal disease that poses a serious threat to cacao plants - the source of chocolate - reproduces clonally, Purdue University researchers find. The fungus Moniliophthora ...

Pentaploid Rosa canina’s flower reveals its unique sexual reproduction: asymmetric meiosis creates haploid pollen (anthers) transmitting only bivalent-forming chromosomes, while ovaries inherit both ...

WASHINGTON (AP) _ Cloning human beings for the purpose of reproduction is medically unsafe and should be banned, a panel of the National Academy of Sciences concluded Friday. The scientific report ...

A panel convened by the National Research Council said Friday that Congress should pass a federal law prohibiting scientists from using cloning technologies to create a child. Noting that the Senate ...

legislatures are taking up the divisive, complex issue of whether to ban or explicitly permit the use of cloned human cells in medical research. Almost half the states are considering bills on cloning ...