seedlessness

美 　英

• 網(wǎng)絡(luò)無核；無籽

例句

But the scientists found a spontaneous mutation that causes seedlessness in a cherimoya relative, the sugar apple.

但是科學(xué)家們在南美蕃荔枝的近親——另一種番荔枝身上發(fā)現(xiàn)了引起無籽的自然轉(zhuǎn)變。

Seedlessness is an elite trait in citrus and triploid citrus is seedless in nature due to the abnormal meiosis and embryo abortion.

無籽是柑橘的一項(xiàng)優(yōu)良品質(zhì)，柑橘三倍體由于染色體減數(shù)分裂不正常，配子敗育，因此是天然的無籽類型。

The researchers say this is the first time a gene for seedlessness has been determined.

研究者聲稱，這是首次能確定導(dǎo)致無籽的基因。