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Daughter star

One of the figures forming the diaster.

Synonym: polar star.

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Do chromosomses ever get competitive?

Well, unless the mutation that allows him to sire females is on his Y-chromosome. In that case, his daughters won't even carry the mutation, and the species really is screwed.

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by wildfunguy
Sat Aug 10, 2013 6:15 pm
Forum: Cell Biology
Topic: Do chromosomses ever get competitive?
Replies: 9
Views: 11211

Pedigree Analysis

... trait skips generations. 3. Approximately half of a carrier (heterozygous) mother’s sons are affected. 4. Never passed from father to son. 5. All daughters of affected fathers are carriers. Also I am unsure if the genotypes are correct

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by chapsticks4
Tue Feb 26, 2013 7:06 pm
Forum: Genetics
Topic: Pedigree Analysis
Replies: 1
Views: 3625


Not hugely helpful, I've already read that page and on it it says: Thus, if a queen bee mates with only one drone, any two of her daughters will share, on average, 3/4 of their genes. And on this page http://en.wikipedia.org/wiki/Queen_bee#Reproduction_cycle It says: The surviving virgin ...

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by nicholasetew
Sun Sep 23, 2012 11:07 am
Forum: General Discussion
Topic: Bees
Replies: 3
Views: 2695

A question

A white woman marries a black man.They have four children-2 sons and 2 daughters.What proportion of these children is likely to be black. 1-25% 2-50% 3-100% 4-none Answer in the science General Knowledge book is 4.I want the explanation for this.

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by bertstare
Tue Mar 13, 2012 5:33 pm
Forum: Genetics
Topic: A question
Replies: 4
Views: 2759

Re: Pedigrees

The initial question for pedigree 3 is: The trait must be autosomal because: a) all daughters of I2 have the trait. b) III3 lacks the trait. c) III2 lacks the trait. Is the answer c) because if it was X-linked then male III-3 would have the trait since the mother ...

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by pimchy
Tue Oct 18, 2011 6:51 am
Forum: Genetics
Topic: Pedigrees
Replies: 11
Views: 6592
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