black fur in guinea pigs is a dominat trait,whereas white fur is a recessive trait.?
97181
half \nedit read question wrong it 2/3 of black will be heter\n\nOkay the question is What fraction of the BLACK f2 is expected to be heter And since 1/4 is Homozygous Black and 1/2 are heterzygous black.. so 2/3 Of the BlACK f2 will be heterzygous.
783710
Mouse.... animal.... right.\n\nThat is to say the aspects which make them part of the Kingdom Animalia...\n\nSimple:\n#1. They're eukaryotic. That is to say for the most part they're multicellular, and have a cell structure including mitochondria, a complete genome and organelles.\n#2. They're heterotrophic. They derive energy from outside sources, rather than making their own as plants and fungi do.\n#3. No cell walls... just cell membrane holding the cell contents in. Obviously none of the required organelles used by autotrophic life either, since as previously mentioned they're heterotrophic.\n\n\nThats the basic answer for you.\nAny further characteristics of mice will not be shared by ALL members of Animalia.... in some cases merely most (such as differentiated tissues) and in some cases not many at all (whiskers, for instance).
463219
The trait is X-linked, there are two alleles, orange and black. In female mammals (including humans) one of the X chromosomes in each cell is shut off at a point early in embryonic development. Which X is turned off (the one with the orange allele or the one with the black allele) is random, but every cell that descends from that cell where it is turned off is the same. Some of these cells become skin cells that determine the color of the fur at that point. So, you can see where this is going, you get patches of fur that are one color and patches that are the other color randomly distributed over the cat's body. The male is either black or orange because it has only one X chromsome that never gets turned off.\n\nYou should be able to find more details on this and other cat genetics in a lot of places on the web.
240538
a pet strictly matches the owners personality
1126084
dont know about that, but i've heard that white animals are albino, a genetic mutation
849642
the actual skin beneath the fur of a zebra varies between animals, some may have all pink skin like ours, while others will have black, brown or white patches.  The fur is a separate entity all together from the skin.  This is quite common in equine species. growing up we had a registered appaloosa that was completely white (they are supposed to have spots), and she did, but they were on her skin, not in her fur. a zebras stripes are like a finger print, no two zebra have the same pattern, and their skin is much the same way. Its all in the genetics.
275786
Traits that are genetically based can be inherited either dominantly or recessively.  Traits refer to what we call a phenotype, and the specific combination of DNA leading to this phenotype we call the genotype.  As an example, let's consider a pea plant which has two descrete and separate heights: large and small.  To analyze the inheritance of plant height, you first establish small or large plants that breed true, for example, crossing a large plant with a large plant always breeds large plants.  Then, you breed true-breeding large and small plants together.  If large is dominant (and small recessive), the offspring will all be large, because the 'large' genotype is dominanting the 'small' genotype.  If small is dominant the offspring are small.  Dominant and recessive are mutually exclusive classifications of the genotype.  \n\nTo extend this analysis further, you can cross that large x small generation (called the F1 generation) together (this is called an intercross).  Let's say large is dominant and the F1 plants are all large.  Intercrossing the F1 will lead to both small and large offspring.  If only one gene is responsible for the plant height, then the ratio of large:small plants will be 3:1.  \n\nThis is the essence of genetics, the linkage of genes to discrete, measurable characteristics.  Not all characteristics are genetic, and for complex issues such as diseases many genes play a role.  But the essence is still the same.  It works because for every person or plant, you receive one genome set from your mother and one genome set from your father, thus the inheritable characteristics you develop can then be passed down to the next generation.
819765
Just do a few different Punnet Squares.  Once you find the one with the right proportions, you're golden.\n\nOr you could reason that since the long hair allele is recessive, and the parents are short-haired, both parents must carry the long hair allele.  Meaning they would each have one of both alleles.
171895
if it is a complete dominance situation, then it's what the dominant color is. if it's imcomplete dominance, then it's a mixture of W and w. for example red and white would make pink.
800609
It's normal that the skin is the color of the fur... meaning that if the dog is meant to be black and white, most likely the skin will be black and white. Some breeds of horses have black skin, so I don't see why dogs couldn't...but there is something called black skin (an illness) that happens when the skin is irritated. Dachsunds are prone to it, and Pomeranians. As for mange, your puppies probably have Demodetic Mange which is most often only in dogs under 2 years of age. TRY (since you're in a pinch) tar and sulfer shampoo which you can get at the pet store. I know you're broke so that doesn't help, but it really isn't contageous to humans, and if you can get enough together for the tar and sulfer shampoo, it may help the puppies feel better.
522031
Because the two of your parents are heterozygous for the alleles that influence skin color. This meens that they have one allele that makes them black and one allele that makes them white. The allele for black skin is dominant to the allele for white skin, therefor your parents are black. The reason that you are white is that you inherited two alleles for white skin from your parents. If you know your genetics this situation makes perfect sense.
809788
Being horned is recessive so assign h as the horned allele and H as the hornless allele.  \n\nMale is Hh\nFemale A is hh \nFemale B is Hh or HH\nFemale C is hh\nCalf A' is hh\nCalf B' is HH or Hh\nCalf c' is Hh\n\nWhen a trait is recessive such as being horned if an individual shows that trait it must be a homozygote hh.\nYou can do the punnet squares to confirm this.  you would need more info about the relatives of Female B and Calf B to distinguish if they are HH or Hh for sure\nSolved, 10 pts please.
708035
I can only answer number one.\nThe possible traits can be determined.  But there's no way of know the exact traits of the offspring unless the parents have either two dominate or two recessive genes with every specif trait.  For instance, using punnett square:\n \n----d----d\nD  Dd Dd\nD  Dd Dd\n\nAll the possible genotypes are the same.\nSorry I couldn't answer your other questions!
348496
They are both mammalians, why should there be a contrast?
948989
If there are two different alleles that cause different phenotypes, AND the phenotype of the het is indistinguishable from the phenotype of one of the homozygotes, then we say that that allele is completely dominant to the other, recessive allele.\n\nIncomplete dominance is usually used when the het has an intermediate phenotype due to haploinsufficiency, for instance, having one allele that codes for a working red pigment and one allele that codes for a broken pigment yields a pink flower that isn't making as much red pigment as the red homozygote.\n\nCo-dominance is when you can clearly see both gene products at the same time, like seeing blood cells with the A antigen and the B antigen.\n\n"Sickle-cell anemia illustrates that the terms dominance, incomplete dominance, and codominance are somewhat arbitrary. The type of dominance inferred depends on the phenotypic level at which the observations are being madeorganismal, cellular, or molecular. Indeed the same caution can be applied to many of the categories that scientists use to classify structures and processes; these categories are devised by humans for convenience of analysis."
35794
well.. i hate to be rasist, but in scientific info...black is a dominant color & secondary color...white is not a dominant color & it's primary. However, it depends on the family info on their genes cuz it reveals whether black color can win or white color can win to be on the baby. {Biology}
574408
Well... completele dominance means that if the allele shows up at all in the gene, it totally dominates.\n\nA completely made up example: Let's say that a long tail is COMPLETE dominance...  T = Long Tail t = short tail.  So if the gene goes: TT or Tt, the cat has a long tail.  It only has a short tail if the gene goes: tt.\n\nIncomplete dominance is when neither allele takes full control.  So the same example with the cat would be very different.  TT would still mean a long tail.  But Tt would equal a medium-length tail as a blend between the long tail (T) and the short tail (t).  \n\nI'm not sure if that explains it very well... another good way to look at it is with colors...  If a flower's color is determined by incomplete dominance and it has a red allele and a white allele, the flower will be pink, or a MIXTURE of the red and white.  \n\nI hope that helps.