Below is a pedigree of a family in which all the people in generation II are dead (indicated with a slash) because of political unrest in their country.  Which children in generation III could be traced to the grandmother in this pedigree by using only mitochondrial DNA sequences?      a. A and D   b. A, B, and C   c. A, B, C, D, and E   d. B, C, and E

One breed of cattle can be red, white, or roan. A cross of two roans produces equal numbers of whiteand red and twice as much roan. If a farmer wanted to breed an all-roan herd, which of the followingpairs would give him the best result? Explain your choice.a. roan and roan b. roan and red c. red and white

Red-green color blindness is a recessive trait in humans.  The locus is on the X chromosome.  If a color blind woman marries a normal vision man, what kind of children could they have? Group of answer choices A. color blind daughters, normal vision sons B. color blind sons, normal vision daughters C. all color blind D. all normal vision

Which of the following can be a disadvantage when analyzing human pedigrees? (Explain) A. Many human conditions are not lethal. B. There are many conditions coded by a single locus. C. Human are diploid. D. It can be difficult to know if a condition traces many generations back in a pedigree.

What does a Punnett square illustrate?   A. The phenotypes of all offspring in a test cross.   B. The genotypes of all possible offspring in a test cross.   C. The phenotypes of all possible offspring in a test cross.   D. The genotypes and phenotypes of all possible offspring in a test cross.

pedigrees are only used by dog breeders to breed dogs with desirable traits ?

How many alleles does an individual have for any particular gene? The alleles make up the A. 1; genotype B. 1; phenotype C. 2; phenotype D. 2; genotype

Which of the following states a valid conclusion based on the pedigree above? Select one: a. Individuals II-5 and II-6 are carriers of the red-green colour blindness allele. b. All children of individuals I-1 and I-2 could be carriers of the red-green colour blindness allele. c. Individual I-2 does not carry the red-green colour blindness allele. d. It is not possible to determine whether individuals III-2 and III-3 are carriers of the colour blindness allele. e. Individual II-2 passed on the red-green colour blindness allele to individual II-1.

What is the coefficient of inbreeding for the offspring of half siblings? Draw the pedigree to show your work. Paragraph BI U A/ V E✓ E ✓ AO GO +

The flower color in pea plant is determined by a specific gene. In a diploid species like the pea plant there can be two alternative form of a gene called.   a. loci b.phenotypes  c.alleles d.homologues e.chromosomes