Search found 12 matches

by asusor
Sun Jun 19, 2005 9:53 am
Forum: Cell Biology
Topic: Random, stupid idea- F/F reproduction?
Replies: 17
Views: 9071

There is probably similar problem as with parthenogenesis, imprinting where missing paternal part of genome. But in this case zigote is affected erlier than in parthenogenesis.
by asusor
Sat Jun 11, 2005 3:22 pm
Forum: Genetics
Topic: Gametes
Replies: 12
Views: 8414

Re: Gametes

zygote do not replicate or will soon die I have a question regarding gametes that I have been unable to answer. The question is: Hypothetically speaking, what if a woman with a diploid egg mated with a man with haploid sperm? For this I must create a Punnett square, and that is where my problem lies...
by asusor
Sat Jun 11, 2005 3:20 pm
Forum: Genetics
Topic: Is talent inherited?
Replies: 44
Views: 66383

Re: Is talent inherited?

YES, it's result of some genes and enviroment According to Lamarck any characteristic that any person has is inherited by their parents. I was wondering what everyone thought about talent. Is it inherited or does a person have to learn to do something on their own? I really would like some input on ...
by asusor
Sat Jun 11, 2005 3:14 pm
Forum: Evolution
Topic: Tetraploid fish and amphybians
Replies: 1
Views: 3079

Tetraploid fish and amphybians

Why is possible tetraploidism in fish and amphybians?
in mammals and birds it's lethal !!!
by asusor
Sat Jun 11, 2005 3:10 pm
Forum: Evolution
Topic: Evolution trend in parthenogenesis reproductive strategies
Replies: 4
Views: 7654

Re: Evolution trend in parthenogenesis reproductive strategi

I was reading those publication about parthenogenesis and turkeys but result is similar as with mammals parthenogenic embryos - degenerating soon after resumption of mitosis Since parthenogenesis is common in plants, moderately common in invertebrate animals, occasionally reported in fish, frogs and...
by asusor
Sat Jun 11, 2005 2:56 pm
Forum: Evolution
Topic: Evolution trend in parthenogenesis reproductive strategies
Replies: 4
Views: 7654

Re: Evolution trend in parthenogenesis reproductive strategi

in mammals is possible experimentaly induced parthenogenesis [ionomicine than 6DMAP]but embryos developing only to stage of blastocyste, probably because missing of parental genome in imprinting proces Since parthenogenesis is common in plants, moderately common in invertebrate animals, occasionally...
by asusor
Sat Jun 11, 2005 2:48 pm
Forum: Cell Biology
Topic: Can the process of meisios become cancerous?
Replies: 14
Views: 16010

Re: Can the process of meisios become cancerous?

Definitely YES, during metaphase II is oocyte blocked from cell division, but when there are some occurence in pathology of kinases, oocyte began division - result is ovarian cancer


Inuyasha wrote:Can the process of meisios become cancerous?
by asusor
Sat Jun 11, 2005 2:28 pm
Forum: Cell Biology
Topic: Cell Development
Replies: 3
Views: 2777

Re: Cell Development

differentiated

TRE05 wrote:What is the name of a fully mature cell?
Remember The OKC Bombings
by asusor
Sat Jun 11, 2005 2:24 pm
Forum: Cell Biology
Topic: Male characteristic of offspring
Replies: 5
Views: 4219

Re: Male characteristic of offspring

if X comes from female and male gender - offspring is female-XX, then is during embryo development random inactivation one of X chromosome and the result is one X and Barr's body in cells

Havoc wrote:Which parent usually contributes X-linked characteristic to male offspring and which to female offsprings?
by asusor
Sat Jun 11, 2005 2:16 pm
Forum: Cell Biology
Topic: about chromatin
Replies: 2
Views: 2276

Re: about chromatin

book Developmental biology from Gilberts, could help for beginnig hi alllllllllll i want to know about chromatin and how they consist of? the function of the chromatin in the cell? are those living in cell ? if u have any web site abot basic info for chromatin...pl ....let me know too. your help is ...
by asusor
Sat Jun 11, 2005 2:13 pm
Forum: Cell Biology
Topic: meiosis
Replies: 12
Views: 6780

Re: meiosis

i2n number of chromosomes, parthenogenic activation- in mammals embryo developemnet till to blasticyst stage then colapse, probably becouse imprinting ...

victor wrote:What will happened if there's a nondisjunction when it comes to the second step of meiosis?
by asusor
Sat Jun 11, 2005 2:03 pm
Forum: Zoology Discussion
Topic: A question about in vivo mice model
Replies: 2
Views: 3038

Re: A question about in vivo mice model

BALB

mrna810 wrote:What is the most common mice genetic background used to study problems related to obesity?