Fertility traits are complex traits as many different biological and physiological factors determine whether a cow is fertile, another challenge is the way the phenotypes are defined, they do not distinguish between different biological functions as they are defined more for a breeding purpose than from a biological point of view.
(The Earthjustice blog series Fertile Grounds examines the challenges and opportunities in ensuring access to healthy, sustainable and affordable food for all).
If Mr. Paterson, a Democrat, were to follow through with the suggestion to appoint a lieutenant governor, his move would almost certainly result in a strong reaction from Republicans and be fertile ground for a legal challenge.
The farmers and herders of this region face serious challenges ahead, as fertile land becomes scarcer, and rain falls in evermore intense storms.
Mr. Tresnjak is a gifted young director whose stage imagination is fertile and who obviously enjoys the challenge of difficult work.
Mr. Henderson was entering jazz at a fertile moment, when a few ambitious, challenging albums, like John Coltrane's "My Favorite Things" and Miles Davis's "Kind of Blue," had broken through to a wide audience.
Cyclotest 2 plus distinguishes between 3 fertility statuses: non-fertile, fertile and highly fertile.
So it should come as no surprise that, confronted with great travails and challenges, that Pakistan has proved fertile ground for writers, poets and other artists.
Putting down roots in this ancient, fertile but very hard soil has been a challenge.
After this challenge, p53−/− females exhibit impaired fertility, whereas WT flies remained fertile.
