Human Genetics

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Human Genetics Questions and Answers

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The allele for albinism (a) is recessive to the allele for normal pigmentation (A). A normally pigmented woman whose father is an albino marries an albino man whose parents are normal. They have th...
Perhaps you and/or your significant other is a carrier of a harmful recessive trait, such as cystic fibrosis. What would you do when considering having children? Would you hope for the best and ign...
Albinism occurs when individuals carry two recessive alleles (aa) that interfere with the production of melanin, the pigment that colors hair, skin, and eyes. If an albino child is born to two indi...
A female Drosophila from a stock that breeds true for blue eyes is crossed with a male from a true-breeding wild-type red-eyed stock, all offspring have wild-type red eyes. Which is correct? a. The...
Question: 1. Two parents with blood types A and B have a child who has O blood type. What is the chance that their next child will be A? A. 0 B. 1/2 C. 1/4 D. 1 Question: 2. Hairy ears is a Y...
What is genetic inheritance?
A man and woman, both with normal vision, have (1) a color-blind son who has a daughter of normal vision; (2) a daughter of normal vision who has one color-blind son and one normal vision son, and...
In Mendelians, curly hair is dominant to no hair. Consider a female Mendelian homozygous for curly hair and a male Mendelian with no hair. What is the probability that these two Mendelians offsprin...
Which model organism discussed in the course materials is used to study genes related to cell division? A. Zebrafish B. C. elegans C. Arbidopsis D. Yeast.
Determine which of the following characteristics are environmental, not inherited. I. Weight. II. Blood group. III. Language spoken. IV. Eye color.
What is the mode of inheritance for breast cancer? Explain.
A multifactorial disorder [{Blank}] a) has a collection of symptoms traceable to an epistatic gene. b) has both genetic and environmental causes.
A man heterozygous for both free earlobes and ability to taste PTC marries a woman with attached earlobes who is heterozygous for the ability to taste PTC. E = free earlobes, e = attached earlobe,...
Consider Gregor Mendel's studies in genetics. Can geneticists accurately predict the possibility of the inheritance of a genetic disease? Why or why not?
Genetic problem Schilder's disease, which causes a progressive degeneration of the nervous system leading to death at about two years of age, behaves as a simple autosomal recessive trait. If a cou...
Include a pedigree of at least 3 generations to demonstrate the inheritance pattern. Be sure to label and explain the chart accurately so that someone who does not know about genetics can understan...
A blue eyed man whose parents were brown eyed marries a brown eyed woman whose father was brown eyed and whose mother was blue eyed. They have one female child who is blue eyed. Make a pedigree cha...
What animals besides rats and monkeys are used for laboratory tests? Why?
What are the hallmarks of autosomal recessive traits?
What are the autosomal recessive inheritance pattern rules?
Is a sideways toe autosomal recessive?
How can you tell if a trait is autosomal?
Do autosomes determine what type of hair you have?
What are autosomal traits controlled by?
What do autosomal genes determine?
How is our autosomal DNA expressed?
What is an autosomal inheritance?
How are sex-linked pedigrees different from autosomal pedigrees?
What does an autosomal recessive pedigree look like?
How useful is autosomal DNA?
What is a classic finding in an autosomal recessive pedigree?
Can you disprove autosomal dominant inheritance?
Is autism an autosomal recessive gene?
Can you determine likelihood of inheriting an autosomal recessive trait without the other partner's information?
What is autosomal recessive pedigree?
Is fibromyalgia autosomal recessive?
What characteristics does an autosomal recessive pedigree have?
How is an autosomal recessive disorder inherited?
Is heart disease autosomal dominant?
Is autosomal dominant represented by a circle or square on a pedigree?
Can a pedigree be x-linked dominant and autosomal dominant?
How do you construct a Punnett square for an autosomal dominant trait?
Is dystrophic epidermolysis bullosa autosomal dominant or recessive?
Can a pedigree be autosomal dominant and recessive?
What does autosomal dominant trait mean?
What does the principle of biological inheritance state?
What is/are the possible genotypes of someone without a widow's peak?
How are polygenic and multifactorial traits different?
What does it mean for a trait to be both polygenic and multifactorial?
What percentage of its genes does a child share with its mother?
Are pedigree charts autosomal or x-linked?
What do brackets mean in a pedigree in science?
What is human pedigree analysis?
Refer to this hypothetical pedigree of an inherited trait in humans to answer the two questions. Which is true of the shaded-in trait?
Explain how an individual can have XYY chromosomes.
What does a pedigree chart show?
What is the purpose of using a pedigree?
What is the definition of pedigree in biology?
If you have a gene pathway with three activities, say A, B, and C, and you have a mutant where an area of the pathway is affected, what kind of experiment would allow you to distinguish if A, B or...
Pseudogenes are evidence of a) proteins that are produced but have no function. b) integrated viruses, or proviruses. c) natural selection for functional genes. d) gene duplications. e) de nov...