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- 1. Multiple ChoiceIf a diploid cell from a worm has 60 chromosomes, how many will be in one egg cell (gamete)?603015120
- 2. Multiple ChoiceWhat gender has an X and a Y chromosome?MaleFemale
- 3. Multiple Choice
What is the sex of this baby?MaleFemale - 4. Multiple ChoiceWhat type of chromosomal abnormality do people with Down Syndrome have?trisomy 21monosomy 21trisomy 18monosomy 17
- 5. Multiple ChoiceWhich cellular process is shown?meiosisendocytosismitosiscytokinesis
- 6. Multiple ChoiceMeiosis occurs in the testes of men and in the ___________ of women.uteruscervixovariesbrain
- 7. Multiple ChoiceThe chromosomes that pair up during meiosis, are called __________ chromosomes.homozygoussisterhomologousdaughter
- 8. Multiple ChoiceCrossing over helps promotemale genotypic traitsgenetic variationDNA replicationmeiosis
- 9. Multiple ChoiceThe result of meiosis is:two diploid cellstwo haploid cellsfour diploid cellsfour haploid cells
- 10. Multiple ChoiceHow many times in meiosis does the cell divide (cytokinesis)?2431
- 11. Multiple ChoiceThe haploid number for a human cell is23469212
- 12. Multiple ChoiceThe yellow part of this picture is DNA. What do you think the turquoise part around it is?chromosomegeneDNAnucleus
- 13. Multiple ChoiceYou get one homologous chromosome from your ________ and one from your _______.dad, mombrother, sistergrandmother, grandfatherthe stork, the stork
- 14. Multiple ChoiceWhich term describes the position of a gene on a chromosome?LocusAlleleCentromereDiploid
- 15. Multiple ChoiceWhat is shown by this karyogram?A female with Down syndromeA male with Down syndromeA normal femaleA normal male
- 16. Multiple ChoiceWhat is a picture used to examine chromosomes called?SonogramElectrocardiogramX-RayKaryotype
- 17. Multiple ChoiceWhat type of mutation is this?DeletionInversionDuplicationSubstitution
- 18. Multiple ChoiceThe cause of many genetic disorders, like Down Syndrome, is...NondisjunctionOverfertilizationUncontrolled MeiosisTranslocation
- 19. Multiple ChoiceWhen an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurscrossing overmutagenesishybridizationfertilization
- 20. Multiple ChoiceWhy do we need meiosis?To double the number of chromosomes going into sex cellsTo half the number of chromosomes going into sex cellsTo triple the number of chromosomes going into sex cellsTo not change the number of chromosomes going into sex cells
- 21. Multiple ChoiceA human zygote should have _____ chromosomes inside.46239264
- 22. Multiple ChoiceYou inherited...most of your chromosomes from your mothermost of your chromosomes from your fathera random number of chromosomes from each parenthalf your chromosomes from your mother and half from your father.
- 23. Multiple ChoiceWhat phase is shown in the picture?anaphase 1anaphase 2metaphase 1telophase 1
- 24. Multiple ChoiceA female inherits an ____ from the egg and an ____ from the sperm.X, XY, XX, YX, W
- 25. Multiple ChoiceThe two parts of a double-stranded chromosome are held together by a...chromatidspindle fibercentromerecentriole
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