/10 Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 12345678910 Chapter 4 : Principles of Inheritance and Variation This Quiz Contains a set of 10 Questions. The Passing Cut-off is 60%. To start the Quiz, click on the Start Button. All the Best! 1 / 10 Turner’s syndrome individuals are: Sterile females Fertile males Normal males Fertile females 2 / 10 In a monohybrid cross, the F₂ phenotypic ratio is: 1:2:1 2:1:1 3:1 9:3:3:1 3 / 10 Mutation in germ cells: Heritable Neutral always Cause polyploidy only Not heritable 4 / 10 In honeybees, fertilized eggs develop into: Males Females Both sexes Sterile drones 5 / 10 Carrier mother × normal father for haemophilia produces: 25% affected sons 50% affected daughters 100% normal 50% affected sons 6 / 10 Genetic disorders like color blindness are rare in females because two X chromosomes reduce chances they inherit Y-linked genes codominance prevents disease environmental masking 7 / 10 Polygenic traits generally show discontinuous variation continuous variation epistasis codominance 8 / 10 Sex of human child is determined at fertilisation embryonic stage puberty birth 9 / 10 Mutation useful in plant breeding is: Aneuploidy Codominance Epistasis Polyploidy 10 / 10 Sickle-cell anemia is caused by substitution of: A → T in β-globin gene C → G in α-globin gene G → A in β-globin gene T → A in promoter gene Your score is 0% Restart quiz
