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In certain species of rat black dominates white cross two hybrid black rats equals what geneo types?
When black dominates white in certain rat species, the genotype of the black rat would be homozygous dominant (BB), while the genotype of the white rat would be homozygous recessive (bb). When two hybrid black rats (Bb) are crossed, the possible genotypes of their offspring would be 25% homozygous dominant (BB), 50% hybrid (Bb), and 25% homozygous recessive (bb).
What is the scientific name of rat?
Rattus Rattus is the black rat or roof rat.Rattus Norvegicus is the brown rat or Norway rat, and is the more common of the two species worldwide. This type of rat is typically a little larger than rattus rattus, and has slightly smaller ears.follow me on twitter @iamryercxD
Rattus Rattus is the correct name for a?
rattus rattus is the scientific name for a rat
Which rat is bigger brown or black rat?
The brown rat, also known as the Norway rat, is generally larger than the black rat, also known as the roof rat. Brown rats can weigh up to 500 grams, while black rats typically weigh around 150 grams.
What are the main species of rats?
The main species of rats are the black rat (Rattus rattus) and the brown rat (Rattus norvegicus). Black rats are smaller and more agile, while brown rats are larger and more common in urban areas. Both species are known for their ability to adapt and thrive in various environments.
What it the latin name of white rat?
The name Rattus norvegicus is applied to brown rats (of which the domesticated white rat is apparently a variety). The name means "Norway rat", though this is something of a misnomer, as the rats themselves didn't originate in Norway.In comparison, the name for the infamous black rat is Rattus rattus.
What is an Asian black rat?
An Asian black rat is an alternative term for the black rat.
What is the name of white rat?
the white rat is very cool and really white. it is extremely sexually active and likes it doggy style, i mean rat style
What color is a kangaroo rat?
A kangaroo rat is brown, black and can sometimes be white.
How much does full grown rat weigh?
well, is it an East African black rat? or is it a North American albino white rat?
What color is a kangaroo?
A kangaroo rat is brown, black and can sometimes be white.
Does white rat chase black rats from home?
Only if they are racist.
What is a name for a rat?
Pet rats are great! You can train them to come to names, so a short, simple name with no more than two syllables is good! Pick a cute name! I have to girl pet rats myself and they are grey and black with white spots.. the grey one is named Sexy and the black and white one is Princess :)
What is the binomial name for a rat?
We call them rats because their scientific name is Rattus norvegicus. All the pet and lab rats are belonging to this species. The tiny black colour, house hold rats are under the species of Rattus rattus.The strain name depends on what kind of rat it is.l
What are the release dates for Batman Black and White - 2008 A Game of Bat and Rat 2-4?
Batman Black and White - 2008 A Game of Bat and Rat 2-4 was released on: USA: 23 July 2009
In certain species of rat black dominates white cross two hybrid black rats equals what geneo types?
When black dominates white in certain rat species, the genotype of the black rat would be homozygous dominant (BB), while the genotype of the white rat would be homozygous recessive (bb). When two hybrid black rats (Bb) are crossed, the possible genotypes of their offspring would be 25% homozygous dominant (BB), 50% hybrid (Bb), and 25% homozygous recessive (bb).
Lets say that the allele for black fur B is dominant to the allele for white fur b in rats If you cross a black rat with a white rat and get offspring which are 6 black and 5 white what is the?
There are two base colors of rats, black and agouti. Agouti is the 'wild-type' rat, and it is designated with an A and is dominant. Black is the recessive form of agouti, and is designated with an a. So if you have a black rat, he is doubly recessive (aa). When you say 'white rat', I'm assuming you mean your rat is a pink-eyed-white or an albino. Rats can get this way in two different ways, either they are homozygous for albinism (cc) or they have so many other recessives that it washes out their color entirely. I am willing to bet it is an albino, as they are very common in pet stores. The problem with albinos is that when a rat is homozygous for albinism (cc), it makes them albino no matter what their other genes are. This rat could have all kinds of recessives hidden or it could have none. Since you bred your two rats and got both black and 'white' babies, I would say that your black rat carries the albino gene 'c' and your albino rat does not carry any recessives that your black rat has, except for black of course (a). So your albino rat is technically a black rat with two copies of the albino gene. I know it seems kind of confusing =) For more information about rat care including genetics please visit my website at http://careguide.evergreenrattery.com or feel free to email me at info@evergreenrattery.com . Good luck with your rats!
