Look up the inheritance patterns for each mutant. Label them as autosomal or sex linked Vestigial wings: ______________ White eyes: _________________ Ebony body: ________________ Sepia eyes:
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Look up the inheritance patterns for each mutant. Label them as autosomal or sex linked
Vestigial wings: ______________
White eyes: _________________
Ebony body: ________________
Sepia eyes: _________________
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- 14) When examining a pedigree chart, I notice that only males are affected. What does this tell me about the inheritance pattern? ____________________________ __________________________________________________________________Is cystic fibrosis a genotypic or phenotypic change? Explain your reasoning. Edit View Insert Format Tools Table, 12pt v Paragraph BIU A 2 T?くFor each phenotype, list the genotype(s): Widow’s peak (W) is dominant to a straight hairline (w). _______________ widow’s peak (homozygous) _______________ widow’s peak (heterozygous) _______________ straight hairline
- Janet and her family members have attached earlobes (recessive trait). However, her maternal grandmother has unattached earlobes. What is the genotype of her maternal grandmother? _____________________ Janet’s maternal grandfather passed away ten years ago. What could have been his genotype?______________________________5)If a cross gives a 2:2 phenotypic ratio, what are the genotypes of the parents? explain __________________________________________________________________Draw a punnett square for each problem. Please be careful to notice whether a trait is homozygous or heterozygous. One parent has O type blood. The other parent has heterozygous B type blood. What are all the possible blood types the children may have? Answer:____________O ____________A _____________B _____________AB In a paternity case a man is accused of having fathered a child. He denies the accusation and presents the following evidence. His blood is O. The mother’s type is AB. The child has AB blood. Could he be the father? _______yes ________no
- Alfred is heterozygous for tongue rolling and has five fingers. Alfreda, his wife, cannot roll her tongue and is heterozygous for polydactyly. Use R/r for tounge rolling, P/p for polydactyly. What is Alfred’s genotype? ____________ What is Alfreda’s genotype? ____________Match each of the following terms with its correct definition (parts a through i). ______Phenocopy ______Pleiotropy ______Polygenic trait ______Penetrance ______Sex-limited trait ______Genetic maternal effect ______Genomic imprinting ______Sex-influenced trait ______Anticipation a. The percentage of individuals with a particular genotype that express the expected phenotype. b. A trait determined by an autosomal gene that is more easily expressed in one sex. c. A trait determined by an autosomal gene that is expressed in only one sex. d. A trait that is determined by an environmental effect and has the same phenotype as a genetically determined trait. e. A trait determined by genes at many loci. f. The expression of a trait is affected by the sex of the parent that transmits the gene to the offspring. g. The trait appears earlier or is more severe in succeeding generations. h. A gene affects more than one phenotype. i. The genotype of the maternal parent influences the phenotype of the…Identify the term that best matches the definition or description given. containing two different alleles for a trait the allele that masks expression of another allele breeding with a homozygous recessive individual to determine 1. test cross 2. genotype genotype 3. autosomal a picture showing inheritance of a trait over several generations phenotype 5. heterozygous the appearance of a trait 6. dominant which alleles are present in an individual for a trait 4.What mode of inheritance is exhibited? ____________________________________ Using the letters, Aand a, give the genotype of the following individuals: I1: __________ II4: __________ III9: __________ I2: __________ II5: __________ III14: __________ II3: __________ II8: __________ IV18: __________SEE MORE QUESTIONS