Dictionary » H » Hatching



a mode of execution in engraving, drawing, and miniature painting, in which shading is produced by lines crossing each other at angles more or less acute.

Synonym: crosshatching.

See: 1st hatch.

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Caffeine and Lipids!!!!

Hey hey - need some help guys! I'm doing an experiment for my A2 coursework on the effect of caffeine on the hatching rate of brine shrimps. I have done the experiment and it reduces the time for the eggs/cysts to hatch - which corresponds with my research. However, I need to ...

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by chriskelly123
Wed Mar 23, 2011 11:51 am
Forum: General Discussion
Topic: Caffeine and Lipids!!!!
Replies: 3
Views: 2065

Sex linked characteristic

... gene [B]. The sex of chicks is difficult to determine, but barred chicks can be distiguished from nonbarred at this time. Use this trait so that hatching chicks of one sex are barred, what cross would you make? -barred male X barred females -barred males X nonbarred females (correct answer given ...

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by tironel
Wed May 05, 2010 12:40 am
Forum: Genetics
Topic: Sex linked characteristic
Replies: 5
Views: 5296

Re: Hmm... Maybe a kind of Shield Bug?

... the odd appearance. Pentatomid bugs of this type are often known as parent bugs, as they adults remain with their offspring for some time after hatching, defending them and leading them to food - typically insect larvae, such as caterpillars. If you're lucky, you can see several several nymphs ...

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by Scrubmuncher
Thu Dec 10, 2009 9:38 am
Forum: Zoology Discussion
Topic: Hmm... Maybe a kind of Shield Bug?
Replies: 2
Views: 2032


... is lethal, so about 1/4 does not hatch, 2/4 are crested (heterozygotes) and 1/4 is back normal. i think it's 11:4 i.e. 3:1 ratio the concern about hatching or not hatching will be governed by another allele or gene.

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by jwalin
Wed Oct 28, 2009 12:42 pm
Forum: Genetics
Topic: Punnett Sq. Question
Replies: 16
Views: 5697

Evolution of Parasitoids

... become a specific behavior all at once, but there are many instances of adults being influenced to deposit eggs in a spot that matches their own hatching place, which would help a shift in egg placing become set in place over a few generations.

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by Darby
Wed Dec 03, 2008 9:51 pm
Forum: Evolution
Topic: Evolution of Parasitoids
Replies: 3
Views: 3225
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