Dictionary » S » Sister



1. A female who has the same parents with another person, or who has one of them only. In the latter case, she is more definitely called a half sister. The correlative of brother. I am the sister of one Claudio. (Shak)

2. A woman who is closely allied to, or assocciated with, another person, as in the sdame faith, society, order, or community.

3. One of the same kind, or of the same condition; generally used adjectively; as, sister fruits. Sister block See Charity, and mercy.

Origin: OE. Sister, fr. Icel. Systir; also suster, from AS. Sweostor, sweoster, swuster, akin to OFries. Sweester, suster, LG. Suster, suster, D. Zuster, OS. & OHG. Swestar, G. Schwester, Icel. Systir, Sw. Syster, Dan. Soster, Goth. Swistar, Lith. Ses, Russ. Sestra, Pol. Siostra, L. Soror, Skr. Svasr. Cf. Cousin.

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Question about hair color and tallness inheritance

... a wife back then and they made two children but they divorced. Both of the children have ginger hair. My mother has very dark brown hair and my sister has the very dark brown hair, i have a normal brown hair. My question is, am i a carrier of the ginger hair gene? Since my father has two children ...

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by hitom
Thu Aug 07, 2014 9:58 pm
Forum: Genetics
Topic: Question about hair color and tallness inheritance
Replies: 0
Views: 1936

Human Collembola Infestations

... gardening and I was pulling weeds up and found these black bugs jumping everywhere in the dirt. Maybe this where I picked this up. Now my poor sister was in my car and she said she felt something jumping on her leg. she has it now too. This has been going on since September. They are in my ...

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by sunshine123
Wed Dec 18, 2013 11:43 am
Forum: Human Biology
Topic: Human Collembola Infestations
Replies: 47
Views: 132469


... to rest with this question. It says Crossing-over involves the exchange of genetic information between which of the following: sex chromosomes, sister chromatids, chromatids, homologues. I chose homologues seeing the answers should be non-sister chromatids but research suggests homologous chromosomes. ...

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by myst
Sat Aug 24, 2013 3:12 pm
Forum: Genetics
Topic: Crossing-over
Replies: 0
Views: 2657

Re: Genetics Hard problem!

... This is what I did: B+/ba x ba/ba (parental strands) If there is no crossover, B+/ba (black), ba/ba (white) If there is one crossover (between the sister chromatids), BA/ba (albino), b+/ba (brown) So in the crossover, since crossover was done in between the two alleles, 100+34/200= 67amu. (wrong) ...

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by Cat
Sun Jul 07, 2013 10:04 pm
Forum: PDF & Doc Files
Topic: Genetics Hard problem!
Replies: 2
Views: 5772

independent assortment

Whenever independent assortment is mentioned, it's in the context of meiosis I. However, if crossing over occurs, sister chromatids are no longer identical so diversity should be increased during meiosis II because of independent assortment of chromosomes in metaphase II, conserning ...

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by leeroykincaid
Fri Apr 12, 2013 7:28 am
Forum: Cell Biology
Topic: independent assortment
Replies: 2
Views: 5732
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