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- 1. Multiple Choice
What term best fits what is represented in this image?
Chromosomes
Genetics
Karyotype
Autosomes
- 2. Multiple Choice
Which of the following best defines an autosome?
A chromosome that does things automatically
A chromosome that is least common in a human set of chromosomes
A non-sex chromosome
A sex-determining chromosome
- 3. Multiple Choice
The reason why sex chromosomes have they name they do is because they
Are not autosomes
Are unique in how they look
Are not able to be paired with any other chromosomes
Determine the sex for the organism
- 4. Multiple Choice
An allele is
A version of a gene
Another word for a gene
Always different on homologous chromosomes
Another word for flavour
- 5. Multiple Choice
Which of the following is TRUE?
Sex chromosomes determine gender
Males have XY; Females have XX
non-sex chromosomes are called autosomes
all of these
- 6. Multiple Choice
Select those that are TRUE of Homologous Chromosome Pairs:
Each pair is made of one maternal and one paternal chromosome
they are the same size and shape
they must have the EXACT same genes (both have blue-eye gene)
Humans have 46 homologous pairs of chromosomes
- 7. Multiple ChoiceIf this couple has a child, what are the odds that a SON will be colorblind (hint: has a little "c")?50%25%100%75%
- 8. Multiple ChoiceHemophilia is recessive diseases carried on the X chromosome. Can a male be a carrier of the disease?YesNoMaybe
- 9. Multiple ChoiceHow many autosomes are there in a human sperm?1222346
- 10. Multiple Choice
Chromosomes that have the same sequence of genes and the same structure are ___________.
homologous chromosomes
alleles
phenotypes
genotypes
- 11. Multiple ChoiceAutosomes arechromosomes found in autotrophs, onlychromosomes that automatically correct all errors in the DNAchromosomes that determine traits other than sexchromosomes that determine the sex of the individual
- 12. Multiple Choice
The sex of a child is determined by
whether the father's sperm contains an X or Y chromosome
whether the mother's egg contains an X or Y chromosome
the age of the parents
none of these are correct
- 13. 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
- 14. 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
- 15. Multiple Choice
Why are men 16 times more likely to be color-blind than women?
to be color-blind, you must have a Y chromosome
Females must get TWO recessive genes for the trait where as males only need ONE of the recessive genes
color-blindness is caused by testosterone
color-blindness is caused by the same gene as baldness
- 16. 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
- 17. Multiple ChoiceHemophilia is a recessive x-linked disorder.
Which genotype represents a female who is a carrier for hemophilia?XHXhXhXhXHXHXhY - 18. Multiple ChoiceHemophilia is a recessive x-linked disorder.
Which genotype represents a male with hemophilia?XHXhXhXhXHYXhY - 19. Multiple ChoiceI have 2 X chromosomes. What am I?MaleFemale
- 20. Multiple ChoiceHow many PAIRS of chromosomes do humans have?234612
- 21. Multiple Choice
How many PAIRS of sex chromosomes do humans have?
23
46
1
2
- 22. Multiple ChoiceI have 1 X chromosome and 1 Y chromosome. What am I?MaleFemale
- 23. Multiple ChoiceThe visual representation of an individual's chromosomes is aphenotypegenotypekaryotypestereotype
- 24. Multiple ChoiceWhich of the following genotypes belongs in the red box in the Punnett square?XBXBXbXbXbYXBY
- 25. Multiple ChoiceColorblindness is a recessive x-linked trait.
Which genotype represents a male with normal vision?XNXNXYNXNYXnY - 26. Multiple ChoiceIf a woman is a carrier for a sex linked recessive trait of hemophilia and her husband has hemophilia, which of the following is true?All sons will have hemophiliaAll daughters will have hemophilia50% of daughters and 50% of sons have hemophilia0% of sons have hemophilia but 100% of daughters are carriers
- 27. Multiple ChoiceColorblindness is a recessive x-linked disorder.
Which genotype represents a female who is colorblind?XNXnXnXnXNXNXnY - 28. Multiple ChoiceColorblindness is a recessive x-linked disorder.
Which genotype represents a male with normal vision?XNXNXnXnXNYXnY - 29. Multiple ChoiceHemophilia is a recessive x-linked disorder.
Which genotype represents a female who is a carrier for hemophilia?XHXhXhXhXHXHXhY - 30. Multiple ChoiceHemophilia is a recessive x-linked disorder.
Which genotype represents a male with hemophilia?XHXhXhXhXHYXhY - 31. Multiple ChoiceColorblindness is a recessive x-linked disorder.
Which genotype represents a male with normal vision?XNXNXnXnXNYXnY - 32. Multiple ChoiceBased on the following Punnett square, what percentage of the offspring will have this recessive disease?0%25%50%75%
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