3. Children are born to a father that is heterozygous for widow's peak and a mother that hass straight hairline, Show the following information. Parents: Genotypes: Phenotypes: Genotypic Ratio: Phenotypic Ratio: 4. Mom has type A blood and dad has type B. Show how they can have a child with type blood. Parents: O Child's genotype:

3. Children are born to a father that is heterozygous for widow's peak and a mother that hass straight hairline, Show the following information. Parents: Genotypes: Phenotypes: Genotypic Ratio: Phenotypic Ratio: 4. Mom has type A blood and dad has type B. Show how they can have a child with type blood. Parents: O Child's genotype:

Biology: The Unity and Diversity of Life (MindTap Course List)

15th Edition

ISBN:9781337408332

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter14: Chromosomes And Human Inheritance

Section: Chapter Questions

Problem 4SQ

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In cats, the genotype AA produces tabby fur color; Aa is also a tabby, and aa is black. Another gene at a different locus is epistatic to the gene for fur color. When present in its dominant W form (WW or Ww), this gene blocks the formation of fur color and all the offspring are white; ww individuals develop normal fur color. What fur colors, and in what proportions, would you expect from the cross AaWw Aa Ww?
white b. light black c. medium TA I. X-LINKED OR SEX-LINKED TRAITS A color-blind man marries a woman wit blind. Use aXfor normal vision, and al X for color-blindness, (Remember where sex-linked traits are carried). What is the genotype of the ma al vision, whose father was color- h norm type of the manand woman? Use a Punnett square to show the phenotypes of their progeny 172
100% - Normal teRI 52 Search the menus (Alt+/) 4 2. that a parent The pattern of on to their Heredity (to Inherit) Аny that can be passed or Trait from parent to offspring. the of a trait Allele This allele will be or shown, no Dominant Trait matter what if it is given to the offspring, This allele will be ONLY if there are given to the offspring; both parents Recessive Trait must have and give a copy of the recessive trait for the offspring.to have the trait. Word Bank Illustration Bank characteristic • passes different versions • shown • expressed • traits inherited two copies
1 pts The pedigree below shows the expression of Huntington's disease in a family. Huntington's disease is a fatal genetic disorder that causes the progressive breakdown of nerve cells in the brain. It deteriorates a person's physical and mental abilities usually during their prime working years and has no cure. Huntington's is inherited as a dominant allele (H). Examine the pedigree below and determine the genotype for individual "2" DODO0O 2. O HH O Hh О h O either HH or Hh
5. A womall WIl 6. A man with type AB blood is married to a woman with type 0 blood. They have 2 natural children and one adopted child. One child has type A blood, one has type B blood and the other has type O blood. Which child was adopted? 7. Below is a pedigree for a family in which some members have achondroplastic dwarfism. This is inherited as an autosomal dominant. Individuals shaded on the pedigree have achondroplastic. you to be 5 fingers? usually results in death in-utero. Complete the
r blindness is recessive, x-linked trait. Ia marriages between a man who is colorblind and a woman a carrier what percentage of the children can be expected to be sons who are not color blind? What entage of the children can be expected to be daughters who are carriers? What percentage of the children can be expected to be daughters who are not carriers at all? 42 Se
2. genotypes of spring d. phenotypes of offspring 3 (normal): | (recessive) 9 The color of Andalusian chickens results from the inheritance of alleles that exhibit incomplete dominance. Black Andalusian chickens result when two alleles for melanin production are inherited (MM). White-splashed chickens result from the inheritance of two copies of a different allele (mm). The heterozygous condition (Mm) results in their famous bluish color. Predict the genotypes and phenotypes from the following crosses: MM X mm and Mm X Mm. a. genotype of male b. genotype of female c. genotypes of offspring d. phenotypes of offspring e. genotype of male f. genotype of female g. genotypes of offspring h. phenotypes of offspring 196 146 Exploring Biology in the Laboratory - Broward College South BSC2010L
9. In fruit flies, eye color is carried on the X chromosome. The allele for red eyes is dominant over its recessive allele, white eyes. Cross a homozygous, red-eyed female to white-eyed male. white cefes red eyes What is the genotype of the male? What is the genotype of the female? X xxx xx Y XY XY Genotypes x' x X Y How many genotypes are possible among the offspring? How many phenotypes are possible among the offspring? What is the probability of getting offspring that are red-eyed males? What is the probability of getting offspring that are white-eyed males? What is the probability of getting offspring that are red-eyed females? What is the probability of getting offspring that are white-eyed females? Phenotypes red eyes white eyes
4:11 Name 1. Match the term with the correct definition. ff Basic Genetics Practice Problems Portion of DNA which codes for a protein, which leads to a trait. The different forms of a gene, represented by letters. The trait which appears in the F1 hybrid generation. The trait which is "hidden" in the F1 generation. The genetic makeup of an organism (BB, Pp, ff) The physical expression of alleles (Brown hair, blue eyes). 2. For each genotype, indicate whether it is heterozygous (HE) or homozygous (HO) AA Bb Gg. Date се Green seeds are dominant to yellow GG Gg gg HH Previous DD ZOOM + li FF Ff ff A. Dominant Trait B. Recessive Trait C. Genotype wvm.instructure.com Per D. Phenotype 3. For each of the genotypes below, determine the phenotype, using the given information. E. Gene F. Allele Ee Purple flowers are dominant to white flowers Brown eyes are dominant to blue eyes PP BB Pp Bb bb PP jj Freckles are dominant to no freckles 4. For each phenotype, list ALL possible genotypes. (Remember…
Unaffected father Camier mother XY Unaffected Afected Carrier Unaffeded Unaffected daugkter U.S. National Lbrany of Mediche Carrier Affected son daughter son In humans, as well as in many other animals and some plants, the sex of the individual is determined by sex chromosomes. The sex chromosomes are one pair of non-homologous chromosomes: XX represents a female, while XY represents a male. When a gene for a specific trait is attached to the X or Y chromosome, we say it is sex-linked, and when it is attached to the X chromosome, we say it is X-linked. Alleles for these linked traits, such as hemophilia or color blindness, crosses, may be recessive or dominant. Hemophilia is an X-linked, recessive trait. The recessive allele for hemophilia is actually a mutated version of the normal alllele but it can still be passed on through generations. Imagine a female is a carrier for hemophilia; her genotype is Xx She is married to a man who does not have hemophilia. What conclusion is NOT valid…
Monohybrid 1. In dogs, pointed ears (P) is dominant over droopy ears (p). What are the results if two heterozygous dogs have a litter of puppies? Genotype: Phenotype:
Im pP x PP 6/6 wa s hatarosygous genotypa? Dark eyes Dark eyes 11. What percentage of the offspring will have a heterozygous genotype? 12. What will the ratio of flies with dark eyes to white eyes be? Dd x x Dd 13. What percentage of the offspring will be short? Tall Tall 14. What percentage of the offspring will have a homozygous dominant genotype? TT х Tt 15. What percentage of the offspring will Long beak Long beak have long beaks?