音标:['testkrɔs;-krɔ:s] ;
n. 测交(一种使杂种子一代与隐性类型交配以测定杂种子一代遗传型的方法)
n a cross between an organism whose genotype for a certain trait is unknown and an organism that is homozygous recessive for that trait so the unknown genotype can be determined from that of the offspring
词型变化:名词复数形式 : testcrosses

testcross的用法和样例:

例句

用作名词(n.)
  1. From the testcross performance data, selections, based on an index, were made for intermating of each of the four groups.根据测交种数据,利用指数方法进行选择,方法是对每个杂种优势群进行相互交配。
【近义词】

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发表于:2019-01-13 / 阅读(49) / 评论(0) 分类 VOA标准英语2008年(九月)

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发表于:2019-01-13 / 阅读(56) / 评论(0) 分类 VOA标准英语2008年(十月)

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发表于:2019-02-05 / 阅读(148) / 评论(0) 分类 音乐咖啡厅

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学英语单词
absorption constant
aircraft log
al metlaoui(metlaoui)
alec sauce
angle of rise
araiostegia parvipinnula
bacteriocidal concentration
beemen
berm crest
bone of the bone and flesh of the flesh
brevipetala
Cadott
cafte-au-lait spot
ceylanite
chen n. yangs
circuit, relay
class of station
clinchy
comptonia peregrinas
conformance
Crassatella
curtate involute
demesnial
design criteria for subsurface water control
developed socialism
Dianhvbrodulcitol
direct refrigerant
dot-and-dash code
Dracunculus loa
electron brain
eremosymbiont
first choices
flumoxonide
forepractice
forgetive
Fourier-Laplace transform
genus amazonas
glutoid tests
gonadic sac
Hall effect multiplier
Hersilia Cove
high-pressure tesr
index server
indicavits
intensity rate
international peace
Ischnogyne mandarinorum
kerswell
law of education
Marie Stopes
megamansion
Mellin transform
modacrylic
mossier
museologists
nailbombers
nickel-copper
nimble-witted
notes receivable as collateral
Novomar'yevka
number of photons
octochamp
on-fields
peck and boose
penknives
picker lap
picking and mixing
pirssonite
polynomial code
pourpose
pustulosus
reconstricting
repasted
sale by type or standard
salvadora families
schnikes
schnittlaugh
setsuya
singin'in the rain
skew-tolerant
slacken speed
sonorizes
Spamorin
st. helens mt.
state queue
statutory age
step-by-step drive
surbased spherical vault
synsporangia
tape oriented system
Teindaw
that dog won't hunt
thickening area
treble-ported slide valve
tree lobster
trials by ordeal
true sunrise and sunset
Tschudi engine
unclingy
unvendible
use statement
wildcard search