Dictionary » C » Crosses



1. Any figure in the shape of a cross formed by two intersecting lines.

Synonym: crux.

Synonym: crux of heart.

3. A method of hybridization or the hybrid so produced.

Origin: f. Croix, L. Crux

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Help on biology question?

... of alcohol dehydrogenase BB= has a UAS upstream of Beta- Galactosidase What would you expect to be able to detect in the flies from the following crosses: AA X AA Options: A.Nothing B.Alcohol dehydrogenase C.Alcohol dehydrogenase and beta-galactosidase D.Beta-galactosidase I think this is option ...

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by revision
Tue Dec 11, 2012 6:38 pm
Forum: Molecular Biology
Topic: Help on biology question?
Replies: 0
Views: 1568

Can HIV crosses placenta?

Can HIV virus enter the foetus through placenta?

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by kumar985
Sun Nov 04, 2012 11:55 am
Forum: Microbiology
Topic: Can HIV crosses placenta?
Replies: 2
Views: 1798

Confusion regarding answer to Probability question

It might be just me, but I don’t understand any of your crosses or calculations. F0: FF (bold) x ff (furry) (pure bred lines)  all Ff (bold) progeny (F1 generation) F1: Ff x Ff  FF (1): Ff (2) : ff (1) OR 3 bold: 1 furry Now it gets interesting: You ...

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by Cat
Thu Sep 20, 2012 5:45 pm
Forum: Genetics
Topic: Confusion regarding answer to Probability question
Replies: 1
Views: 1731

Confusion regarding answer to Probability question

... what is the probability that at at least one of these two F4 mice will have furry ears? I was told this was the answer Assume F1 = FfxFf F2 Crosses to get F3 P(Cross) P(Ff) FFx Ff 1/3 x 2/3 1/2 x 1/2 = 1/18 Ff x FF 2/3 x 1/3 1/2 x 1/2 = 1/18 Ff x Ff 2/3 x 2/3 2/3 x 2/3 = 16/81 For sake of ...

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by EdwardGentilly
Wed Sep 19, 2012 5:49 pm
Forum: Genetics
Topic: Confusion regarding answer to Probability question
Replies: 1
Views: 1731

Genetics question

... of these traits are linked and one segregates independently. Explain what linkage and independent segregation means. Describe how you would set up crosses in order to determine which genes are linked and which are not linked. Would you be able to map all three genes on the chromosomes? If so how?

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by bio185
Thu Mar 29, 2012 5:30 pm
Forum: Genetics
Topic: Genetics question
Replies: 3
Views: 2344
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