1"use strict"; 2!function(){try{var e="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof globalThis?globalThis:"undefined"!=typeof self?self:{},n=(new e.Error).stack;n&&(e._sentryDebugIds=e._sentryDebugIds||{},e._sentryDebugIds[n]="76fe320b-e39c-5c78-95aa-47fa75165aed")}catch(e){}}(); 3(self.webpackChunk_N_E=self.webpackChunk_N_E||[]).push([[17397],{17397:(e,t,n)=>{n.r(t),n.d(t,{default:()=>i});let i={meta:{revision:"2026-09-09-plain-language",id:"ip-biology-inheritance",tocSlug:"IP-Biology-Upper-Sec-14-Inheritance",title:"Inheritance Quiz",subtitle:"Upper Secondary Biology ⢠genes, alleles and monohybrid inheritance",adminLabel:"IP Biology - Inheritance"},mcqQuestions:[{id:3,question:"What is an allele?",options:["A section of cytoplasm","A version of a gene","A type of protein","A stage of mitosis"],correct:1,explanation:"Alleles are alternative forms of the same gene."},{id:2,question:"What is meant by genotype?",options:["The physical appearance of an organism","The pair of alleles carried by an organism","The environment in which an organism lives","The number of chromosomes in a cell"],correct:1,explanation:"Genotype refers to the genetic make-up, usually written in terms of alleles."},{id:5,question:"A dominant allele is one that:",options:["is expressed only when two copies are present","is expressed when one copy is present","can never be inherited","is found only in males"],correct:1,explanation:"A dominant allele is expressed in the heterozygous condition."},{id:4,question:"A tall plant Tt is crossed with a short plant tt. What is the expected ratio of tall to short offspring?",options:["1 : 0","3 : 1","1 : 1","0 : 1"],correct:2,explanation:"The cross Tt x tt gives 50% Tt and 50% tt."},{id:1,question:"B is completely dominant to b. In a cross Bb x Bb, what phenotypic ratio is expected?",options:["1 : 1","3 : 1","1 : 2 : 1","2 : 1"],correct:1,explanation:"The genotypes are BB, Bb, Bb and bb. With complete dominance, three show the dominant phenotype and one shows the recessive phenotype."},{id:6,question:"Assume each birth independently has a 1/2 chance of being a boy. After four daughters, what is the chance that the next child is a boy?",options:["0","1/4","1/2","3/4"],correct:2,explanation:"Each birth is an independent event, so the probability remains 1/2."}],openEndedQuestions:[{id:1,question:"Draw or describe a genetic diagram for a cross between two heterozygous parents, Bb x Bb, and state the genotype ratio.",markingPoints:["Gametes are B and b from each parent. The offspring are BB, Bb, Bb and bb. The genotype ratio is 1 BB : 2 Bb : 1 bb."]},{id:2,question:"Explain why the outcome of one birth does not affect the probability of the next birth being male or female.",markingPoints:["Each fertilisation is independent. The egg always contributes X, while the sperm contributes either X or Y. The chance of an X-bearing or Y-bearing sperm fertilising the egg stays the same each time."]}]}}}]); 4//# sourceMappingURL=17397.eb2f4040f6825d72.js.map 5//# debugId=76fe320b-e39c-5c78-95aa-47fa75165aed
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