Genetics MCQ-2 on Sex Chromosomes and Sex Linked Inheritance Lecture Notes MCQ Biology Welcome to Genetics MCQ 02 Genetics Quiz on Sex Chromosomes and Sex Linked Inheritance This question set on Genetics MCQ-02: Sex Chromosomes and Sex Linked Inheritance consists of 15 questions in MCQ format. Please select the correct answer and at the end of the test, you have to click on 'SUBMIT' button to see your Score and the Correct Answers. Please click 'NEXT' button to start the quiz... 1. Sex determination in Melandrium album is: Chromosomal Environmental Genetic Chromosomal and environmental2. Among the following, which is a sex-linked disorder? Myxoderma Color blindness Cretinism Night blindness3. Among the following which statement is NOT correct for X-linked recessive disorder? Females are diseased only when their mother is carrier and father is diseased Males always pass the trait to all of his sons Females with such disorders are unknown Males carrying the diseased allele are always diseased4. Which of the following pair of relatives will have the highest genetic correlation? First double cousins Brothers Brother-sister Half siblings5. In humans, an individual with a chromosomal condition of XXY will be: Super-female Super-female Male Female6. In honey bees, males are developed parthenogenetically while workers are developed after sexual reproduction. The workers exhibit more similarity among themselves as compared to the queen. If the workers start giving organism parthenogenetically then the offspring would most likely resemble: Among themselves and with father Among themselves and with mother Among themselves and with queen Among themselves and slightly differ from mother7. On the basis of statements given below, the mode of inheritance is:• Mostly male shows the disease • All male child developed from an affected mother are diseased• Female develop disease only when her father is diseased and mother is a carrier Autosomal dominant X‐linked recessive Autosomal recessive X‐linked dominant8. The inbreeding coefficient of offspring on marriage between brother and sister sibling will be: 0.75 0.25 0.05 0.5 9. Individuals having X chromosome and a short arm of Y chromosome are male while individuals having X chromosome and long arm of Y chromosome are female. This shows that Male determining genes are not located on Y chromosome Genes for maleness are located on short arm of Y chromosome Genes for maleness are located on long arm of Y chromosome Genes for maleness are located on X chromosome10. The dosage compensation in mammal females is achieved by: Hypoactivation of Both X chromosome Methylation of one X chromosome Elimination of one X chromosome Hyperactivation of one X chromosome11. In Drosophila XO are males and XXY are female while in human XX are female and XY are males. On the basis of given information which statement is NOT true? In Drosophila, sex determination is based on the number of X chromosome to sets of autosomes. In humans, sex determination is based on the number of X chromosome to sets of autosomes. Y chromosome does not play any role in sex determination in Drosophila Y chromosome is sex determinant in Humans12. A cross between a red-eyed male fly and white-eyed female fly produces red-eyed female and white-eyed male progenies. While reciprocal cross produces all offsprings with red eyes. The trait for eye color is Sex-influenced trait Sex-linked heterogametic male Sex-linked homogametic male Sex-linked traits13. The ratio of X chromosome to Autosome in a Drosophila fly is 1.5. The sex of the individual will be Inter-sex Meta-female Feta-male Female14. Paternal grandfather is hemophilic, what is the probability of his grandson to be hemophilic? 0 1/8 ½ ¼15. Hemophilia A and Hemophilia B have nearly identical phenotypes, but they result from mutations in different genes on the X chromosome. This is an example of Locus heterogeneity Variable expressivity Double heterozygosity Epistatic interactionYou have reached at the End of this Quiz. Please Click 'SUBMIT' button to see your Score and the Correct Answers... Get our Updates on GENETICS in your E-mail Inbox We will not spam your account… Enter your e-mail address Don’t forget to Activate your Subscription…. 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Please leave me in the Comments Section below. I will be Happy to Read your Comments and Reply. Please Share with your Friends, Relatives, Students and Colleagues… Related posts: MCQ on Genetics Part 1: Introduction to Genetics Posted in Biology MCQ, Genetics, Genetics MCQ, Mendelian Genetics and tagged Genetics MCQ with Answers, Genetics Mock Test, Genetics Online Test, Genetics Practice Questions, Genetics Quiz, Sex Chromosomes, Sex Linked Inheritance.