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What is the only railroad to cross the country north to south and east to west?

Is it Burlington Northern RR or the Canadian Pacific RR?


What are the phenotypes and genotypes of the offspring from the mating of a red carnation and a pink carnation for incomplete dominance?

The red color is RR and pink is Rr. RR is red, rr is white and Rr is pink. Cross the two: RR (red) and Rr (pink). You will get RR and Rr in a 1:1 ratio. You will not get any rr (white).The red color is RR and pink is Rr. RR is red, rr is white and Rr is pink. Cross the two: RR (red) and Rr (pink). You will get RR and Rr in a 1:1 ratio. You will not get any rr (white).


How do you identify the genotyped of the parents when the Offspring has Rr Rr rr rr?

using a punnett square the parents would have to be Rr and rr


When crossing a Rr genotype with a rr genotype what will the ratio of RR to rr be in the resulting generation?

The resulting generation will have a 1:1 ratio of RR to rr genotypes when crossing an Rr genotype with a rr genotype, as each parent will contribute one allele to the offspring.


12what is a 12 letter word that contains ppp AA rr o e d t?

Adapt Proper


What is the probability that an egg cell from a female with genotype RR will contain the recessive allele?

Zero. If it's RR that means it only contains the dominant allele


Which one is recessive Rr or RR?

The recessive trait is represented by the genotype rr, where both alleles are lowercase. The genotype RR represents the dominant trait.


If R is dominant to r the offspring of the cross of RR with rr will be homozygous?

R R r Rr Rr r Rr Rr That is the Punnet Square. The genotype will be 100% Rr in the cross. The phenotype will be whatever phenotype is constituted by your dominant allele.


What country ruled Cuba until 1898?

Spain. http://www.loc.gov/rr/hispanic/1898/bras.html


Is handedness passed through genetics?

simple Mendelian genetics...right-handed is the dominant allele (R), left-handed is recessive (r). you can figure it out using a Punnett square. RR, Rr = RH kid rr = LH kid RR + RR = 100% RR -> all RH kids RR + Rr = 50% RR, 50% Rr -> all RH kids Rr + Rr = 25% RR, 50% Rr, 25% rr -> 75% RH kids, 25% LH kids rr + rr = 100% rr -> all LH kids to be LH, you have to have left-handedness somwhere in the family. however, you can be LH and neither your parents or grandparents would have to be.


How could a child be considered a hybrid?

a hybrid in animals is when a dominant gene in one parent (pure bred RR) and recessive gene in another parent (pure bred rr) combine.Rrin the punnett square:R Rr Rr Rrr Rr Rr


Use a punnet square to predict the results of a monohybrid cross starting with the phenotypic and genotypic r?

A punnet square is a 2x2 grid that is used to show the probability of an offspring showing a certain genotype and phenotype. The genotype is shown by using a letter for the trait. A capital letter is used to represent a dominant allele and a lowercase letter is a recessive. Ie: a heterozygous individual would be shown as having genotype Rr for a trait. If their genotype contains at least one dominant allele, then their phenotype is shown as the dominant trait. If the trait is eye color, R being dominant brown eyes, and r being recessive blue eyes, then the individual with either RR or Rr will have brown eyes. and if they have rr, then they have blue eyes. Now back to the punnet square, The top of the square will have the genotype of one parent, and the side will have another parent. If the father is RR, then each column will have a R over it. If they are Rr, then the first column will have an R and the second will have a r. Likewise, if they are recessive, then the top of the square will have rr. The same is shown on the rows on the side. The genotype goes down the two squares on the side. The genotype probability is found by crossing each allele in the boxes. If one box has R over it, and r to the right, then the box contains Rr. This is used to fill in all four boxes. In the end, If you have {RR, Rr, rr, rr} as your resulting genotypes, then there is a 50% chance that the offspring will have Dominant or recessive phenotype. The genotype ratio is then 1:2:1 and the phenotypic ratio is 2:2.