When one examines the pattern of inheritance of a trait and finds that it is transmitted fromfathers to sons to grandsons (never appearing in the females genotype) what is theconclusion about the inheritance pattern?a.Sex linkedb. Sex limitedС.Sex relatedd. X linkede. Sex influencedRed-Green color blindnessa.Has its genetic determination on the x chromosomeb. Affects more males than femalesС.Is influenced by somatic sex differentiationd. A and be. All of these

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Description: When one examines the pattern of inheritance of a trait and finds that it is transmitted fromfathers to sons to grandsons (never appearing in the females genotype) what is theconclusion about the inheritance pattern?a.Sex linkedb. Sex limitedС.Sex r

Sex linked inheritence Sex link inheritance means the jeans for characters other than sex are…

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when one examines the pattern of inheritance of a trait and finds that it is transmitted from fathers to sons to grandsons (never appearing in the females genotype) what is the conclusion about the inheritance pattern? а. Sex linked b. Sex limited С. Sex related d. X linked e. Sex influenced Red-Green color blindness Has its genetic determination on the x chromosome b. Affects more males than females a. C. Is influenced by somatic sex differentiation d. A and b e. All of these

when one examines the pattern of inheritance of a trait and finds that it is transmitted from fathers to sons to grandsons (never appearing in the females genotype) what is the conclusion about the inheritance pattern? а. Sex linked b. Sex limited С. Sex related d. X linked e. Sex influenced Red-Green color blindness Has its genetic determination on the x chromosome b. Affects more males than females a. C. Is influenced by somatic sex differentiation d. A and b e. All of these

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter8: Patterns Of Inheritance

Section: Chapter Questions

Problem 9RQ: What is the reason for doing a test cross? a. to identify heterozygous individuals with the dominant...

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A woman who is heterozygous, Bb, has brown eyes; B (brown) isthe dominant allele, and b (blue) is recessive. One of her eyes,however, has a patch of blue color. Give three different explanationsfor how this might have occurred?
Polydactyly is a condition in which a person has extra fingersand/or toes. It is caused by a dominant allele. If a person carriesthis allele but does not have any extra fingers or toes, this is anexample ofa. haploinsufficiency.b. a dominant negative mutation.c. incomplete penetrance.d. a gain-of-function mutation.
A man has attached earlobes, whereas his wife has freeearlobes. Their first child, a boy, has attached earlobes.a. If the phenotypic difference is assumed to be due totwo alleles of a single gene, is it possible that the geneis X linked?b. Is it possible to decide if attached earlobes aredominant or recessive?
What is Polygenic Inheritance? A) When one gene has many effects B) The additive effect of 2 or more genes C) The genes that cause skin color
What is the reason for doing a test cross? a. to identify heterozygous individuals with the dominant phenotype b. to determine which allele is dominant and which is recessive c. to identify homozygous recessive individuals in the F2 d. to determine if two genes assort independently
Assuming that independent assortment occurs during meiosis, what type(s) of gametes will form in individuals with the following genotypes? a. AABB b. AaBB c. Aabb d. AaBb
A heterozygous individual has _______ for a trait being studied. a. the same allele on both homologous chromosomes b. two different alleles of a gene c. a haploid condition, in genetic terms
Based on the ideas proposed by Morgan, which of the followingstatements concerning linkage is not true?a. Traits determined by genes located on the same chromosome arelikely to be inherited together.b. Crossing over between homologous chromosomes can create newallele combinations.c. A crossover is more likely to occur in a region between two genesthat are close together than in a region between two genes that arefarther apart.d. The probability of crossing over depends on the distance betweenthe genes.e. Genes that tend to be transmitted together are physically located onthe same chromosome
Which of the following CANNOT be true about the inheriteance the trait depicted in the pedigree diagram below? A. It is recessive B. It is dominant C. It is on the X chromosome D. It is recessive, and it is on the X chromosome
In humans, having extra fingers or toes is caused by a dominant allele (E). People with two recessive alleles have 5 fingers and toes on each hand or foot. A. If two people both had the normal number of fingers and toes, is there any chance that their children could inherit the allele for extra fingers and toes? Do a Punnett square and show your work. B. If a man who was heterozygous for this gene married someone who was homozygous for the recessive allele, what fraction of their children would you expect to have extra fingers or toes? Do a Punnett square and show your work.
Duchenne muscular dystrophy is sex linked and usuallyaffects only males. Victims of the disease become progressively weaker, starting early in life.a. What is the probability that a woman whose brotherhas Duchenne’s disease will have an affected child?b. If your mother’s brother (your uncle) had Duchenne’sdisease, what is the probability that you have receivedthe allele?c. If your father’s brother had the disease, what is theprobability that you have received the allele?
.Certain forms of human color blindness are inherited as X-linkedrecessive traits. Hemizygous males are color-blind, but heterozygous females are not. However, heterozygous females sometimeshave partial color blindness.A. Discuss why heterozygous females may have partial color blindness.B. Doctors identified an unusual case in which a heterozygousfemale was color-blind in her right eye but had normal colorvision in her left eye. Explain how this might have occurred.