What percent of the offspring will be homozygous recessive?

The diagrams represent two human somatic cells, one from a female and one from a male, and the letters in the cells represent alleles for two different traits.           Male                             Female          B = Brown hair (dominant)          b = Blond hair (recessive) E = Brown eyes (dominant)         e = Blue eyes  (recessive)                                                                                                   According to Mendel’s Law of Independent Assortment, what are the allele combinations expected in each of the sperm cells and what combinations are expected in each of the eggs produced by these cells during meiosis? One sperm fertilized one egg, and the resulting child has blond hair and brown eyes. How is this possible given the parents' genotypes?

The following pedigree shows the inheritance of Huntington’s disease, a fatal genetic disorder that causes neurodegeneration. Since signs and symptoms usually do not appear until adulthood, many who are carriers may not realize their risk of passing on the disease-causing allele.  The following pedigree represents a family in which some people are affected by Huntington’s disease.   Using just the information on this pedigree, is Huntington’s disease caused by a dominant allele or recessive alleles? What are the genotypes of the grandparents (I-1 and I-2)? What are the genotypes of the parents (II-6 and II-7)? If the parents above have another child, what is the chance that they will be affected by the Hungtington’s disease allele? What are the genotypes of the unaffected children (III-8, 9, 10)? What is the chance that the unaffected children above will pass on a Huntington’s disease allele to their children? What is the genotype of the affected child (III-11)? What is the chance…

A diploid cell undergoes meiosis to form the four gametes shown below. H q Part 1 What is the genotype of the diploid cell? hQ O HhQq Hq H q O HHhhQQqq Q h }{ Q h R