Lab: Mouse Genetics (One Trait) — Unit test Answers

Corn can be injected with herbicide-tolerant recombinant DNA. Which type of organism is herbicide-tolerant corn?

Which is an application of DNA technology in medicine?

Round seeds and yellow seed color are dominant to wrinkled seeds and green seed color. Which Punnett square represents the correct way to set up the cross RRYy ´ RrYY?

A cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. Purple offspring result due to incomplete dominance. Then, two of the purple offspring are crossed. What proportion of the offspring from the second cross will be purple?

If Mendel had crossed a true breeding dominant plant with a true breeding recessive plant, in which of the three generations is the recessive trait visible?

Red-green color blindness is an X-linked recessive disorder. What is the probability of the offspring having red-green color blindness for the cross that is represented by the Punnett square?

The pedigree traces red-green color blindness. Which family members have red-green color blindness?

Which scenario breaks the law of segregation?

Error

Error

A plant that has round and yellow seeds (RrYy) is crossed with a plant that has round and yellow seeds (RrYy). What is the ratio of the offspring that will have round and yellow seeds?Key: R = round r = wrinkled Y = yellow y = green

Which career combines DNA technology and medicine?

The graph shows the change in the number of Bt and HT crops grown in the United States from 1996 to 2005. Bt crops are resistant to being eaten by insects. HT crops are resistant to herbicides (weed killers). Based on the information in the graph, which is most likely true about farming in 2005?

Which blood type could be given as a transfusion for patient with AB blood when the RH factor is unknown?

Parents with the genotypes AO and AB have a child. What are all the possible blood types of the child?