_________________ is the idea that an offspring's traits would be a perfect mix between mother and father, a theory overturned by Gregor Mendel. blending trisomy
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_________________ is the idea that an offspring's traits would be a perfect mix between mother and father, a theory overturned by Gregor Mendel.
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- Is the trait dominant or recessive for this pedigree? _____________. Write the genotype for each individual. (Use the letter B)A roan bull is crossed to a white cow. The first 2 offspring turned out to be roan and white calves. Roan is a color obtained when cattle are heterozygous for the gene for red and white hairs. How is this trait inherited? _______________ Identify the genotype of the roan bull. ___________ Identify the genotype of the white cow.___________ Give the genotypic ratio. ___________________ Give the phenotypic ratio. ___________________ Show the Punnett squareMost autosomal recessive genetic disorders are expressed as ____________________. dominant disorders codominant loss-of-function gain-of-function
- Mendel called plants that received different alleles for a trait from each parent _________________. recessive heterozygous dominant homozygous______________________________________________________________ 1. People who carry a theoretical genetic disorder (called B-disease) can be identified from a 2kb DNA sequence. People who carry this genetic disorder have a single nucleotide polymorphism that results in a change of GTATCC to GGATCC, a site that only occurs once at nucleotide number 750 in this DNA sequence. Answer the following questions based on the information provided. (a) How can you develop a simple molecular test with enzyme BamH to identify the genetic disorder? ( (b) If you have carried out the molecular test (based on the information above) on a 100 individual and found that 24 were healthy (BB) and 26 were carriers (bb); 1) What is the ratio of heterozygous? 2) Show how can you identify the three types from the agarose gel___________________ alleles are always expressed in the presence of another allele. recessive dominant
- sterile offspring ______________________________.Familial Down Syndrome is an inherited trait that is caused by ____________________________. chromosome translocation chromosome duplication chromosome deletion non-disjunction chromosome inversionMary has type O blood type . Frank has homozygous type B blood type. Mary had a child with type O blood type. Can frank be the father of this child? Why or why not?
- Sets of basepair sugars that accounts for a specific trait is ____________In mammals, albinism is caused by an autosomal allele that interferes with skin pigment. Early one morning on your way to genetics class, you observe that two normally pigmented javelina parents have an albino piglet. What are the genotypes of the parents? _________________________________ What is the probability that their next five offspring will be albino? __________________________ What is the probability that 3 of the next 7 offspring will be normally colored?______________________ Describe the process by which you would test these normally colored offspring to see if they carried the albinism gene. What are the expected ratios from that test? You want to develop a strain of albino javelina for commercial use (the other really white meat). Describe how you would go about developing that strain starting with the 2 parents and the one albino offspring.___________ Baby Jamison was born with. This is a genetic disorder in which the lungs are clogged with large quantities of abnormally thick mucus.