
Sex-linked traits and punnett squares
Quiz by Benjamen Gonzalez
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20 questions
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- Q1What is a sex-linked trait?A trait that is linked to a gene on the autosomal chromosomesA trait that is only present in femalesA trait that is linked to a gene on the sex chromosomesA trait that is only present in males30s
- Q2Which of the following chromosomes determines the sex of a human?X and Y chromosomesX chromosomeY chromosomeAutosome30s
- Q3What is a Punnett square?A diagram used to predict the outcome of a genetic crossA square used to measure the frequency of a geneA square used to measure the probability of a traitA square used to measure the size of a chromosome30s
- Q4In a Punnett square, what does a capital letter represent?A recessive alleleA sex-linked geneAn autosomal geneA dominant allele30s
- Q5In a Punnett square, what does a lowercase letter represent?A sex-linked geneAn autosomal geneA dominant alleleA recessive allele30s
- Q6What is the difference between X-linked and Y-linked traits?Both X-linked and Y-linked traits are equally common and can be inherited by both males and females.X-linked traits are more common and can be inherited by both males and females, while Y-linked traits are rare and can only be inherited by males.There is no difference between X-linked and Y-linked traits.Y-linked traits are more common and can be inherited by both males and females, while X-linked traits are rare and can only be inherited by males.30s
- Q7What is hemophilia?A condition that causes color blindness in females.A condition that causes excessive hair growth in males.A neurological disorder caused by a mutation on the X chromosome.A bleeding disorder caused by a deficiency in clotting factor VIII or IX.30s
- Q8Can females be carriers of X-linked disorders?Only males can be carriers of X-linked disorders.X-linked disorders only affect males.No, females cannot be carriers of X-linked disorders.Yes, females can be carriers of X-linked disorders.30s
- Q9What is the chance of a female carrier passing on a disease-causing allele to her son?0%25%50%100%30s
- Q10What is the chance of a female carrier passing on the disease-causing allele to her daughter?50%100%0%25%30s
- Q11What is the phenotype of an organism?The physical appearance or traits of an organism.The age of an organism.The habitat in which an organism lives.The DNA sequence of an organism.30s
- Q12What is a Punnett square used for?Determining the age of a population.Identifying the origin of a species.Predicting the probability of offspring inheriting certain traits from their parents.Measuring the size of gametes.30s
- Q13What is the genotype of an organism?The age of an organism.The physical appearance or traits of an organism.The habitat in which an organism lives.The genetic makeup of an organism.30s
- Q14What is a homozygous genotype?When an organism has two different alleles for a particular gene.When an organism has two of the same alleles for a particular gene.When an organism has no alleles for a particular gene.When an organism has only one allele for a particular gene.30s
- Q15What is a heterozygous genotype?When an organism has two different alleles for a particular gene.When an organism has no alleles for a particular gene.When an organism has only one allele for a particular gene.When an organism has two of the same alleles for a particular gene.30s