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- 1. Multiple ChoiceThe sex of a child is determined bywhether the father's sperm contains an x or y chromosomewhether the mother's egg contains an x or y chromosomethe age of the parents
- 2. Multiple ChoiceAn individual's sex is determined by1 of 23 chromosomes2 of 46 chromosomes4 of 92 chromosomes
- 3. Multiple Choice
The visual representation of an individual's chromosomes is aphenotypegenotypekaryotypestereotype - 4. Multiple ChoiceWhy is the gene for a disease or disorder more likely to be found on the X chromosome than Y?The X chromosome has many more genesThe Y chromosome has many more genes
- 5. Multiple ChoiceMales are more likely to suffer from a sex-linked disease or disorder becausemales are the weaker sexmales have less DNAmales have 1 X chromosome, so the disorder is more likely to be expressed
- 6. Multiple ChoiceWhen we say that a woman is a carrier for a genetic disease or disorder it means thatshe has 1 gene, but not the disordershe has 2 genes for the disordershe can pass the gene only to male childrenshe can pass the gene only to female children
- 7. Multiple ChoiceWhy are men 16 times more likely to be color-blind than women?to be color-blind, you must have a Y chromosometo be color-blind, all of your X chromosomes must have the genecolor-blindness is caused by testosteronecolor-blindness is caused by the same gene as baldness
- 8. Multiple ChoiceIf a gene is found only on the X chromosome and not the Y chromosome, it is said to besex-linked traitpolygenic traitcodominant traitincomplete dominance trait
- 9. Multiple ChoiceHemophilia is a recessive x-linked disorder.
Which genotype represents a female who is a carrier for hemophilia?XHXhXhXhXHXHXhY - 10. Multiple ChoiceHemophilia is a recessive x-linked disorder.
Which genotype represents a male with hemophilia?XHXhXhXhXHYXhY - Answer choicesTagsAnswer choicesTags