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Home > Quizzes and Fun Tests > Biological Quizzes > Genetics Quiz III

Genetics Quiz III

Welcome to the QuizMoz Genetics Quiz III. QuizMoz offers one of the Internet's largest collection of quizzes for you to tease your brain and pit your wits against the experienced QuizMoz quiz masters. Go ahead and find out what you know about yourself and the world around you. Best of luck!!

Genetics Quiz III Facts
Average Score for this quiz:	26%
No of times this quiz has been taken:	14
No of people passing this quiz:	4
No of people failing this quiz:	10
Maximum score for this quiz:	92%

Coverage : Genetics Quiz III tests your knowledge about patterns of inheritance and genetic disorders.
1.	Which of the following are true about sex chromosomes?
a.		X and Y chromosomes are physically different
b.		They can act as homologues during meiosis
c.		They cannot synapse because of their size differences
d.		They differ in width but not length

2.	What are the differences between autosomes and sex chromosomes?
a.		Sex chromosomes can be different sizes, but autosomes are all the same size
b.		There are 22 pairs of autosomes, but only one pair of sex chromosomes
c.		Sex chromosomes cannot act as homologues during meiosis, but autosomes can
d.		Autosomes cannot act as homologues during meiosis, but sex chromosomes can

3.	A karyotype includes:
a.		The chromosomes defining characteristics
b.		Always only an X or a Y chromosome
c.		Sometimes both an X and a Y chromosome
d.		The number of chromosomes

4.	In karyotype analysis, the chromosome banding patterns are due to:
a.		Absorption and retention of stain
b.		Denser regions repelling stain so they are lighter
c.		The test being done with prophase chromosomes instead of ones from metaphase
d.		More condensed regions

5.	How is a karyotype diagram constructed?
a.		Sex chromosomes are first
b.		Sex chromosomes are last
c.		Chromosomes are arranged from smallest to largest
d.		Chromosomes are arranged from largest to smallest

6.	Colchicine is important during karyotype preparation because it?
a.		Stops cells in metaphase
b.		Results in the densest chromosomes for testing
c.		Results in the lightest chromosomes for testing
d.		Prevents duplicated chromosomes from separating

7.	The closer that 2 genes are on a chromosome, the more likely that they will stay together throughout meiosis.
a.		True
b.		False

8.	What are the defining characteristics of chromosomes during karyotyping?
a.		Gametes
b.		Size
c.		Length
d.		Centromere position

9.	You can do a karyotype with chromosomes from meiosis I or meiosis II.
a.		True
b.		False

10.	Which pairing(s) of maternal and paternal sex chromosomes yields female offspring in humans?
a.		yy
b.		yX
c.		Xy
d.		XX

11.	Which are not possible pairings of maternal and paternal chromosomes?
a.		y from the father and X from the mother
b.		y from the mother and X from the father
c.		y from the mother and y from the father
d.		X from the father and X from the mother

12.	Why do only about half of human individuals become female when all individuals have an X chromosome?
a.		A gene on the y chromosome codes for testes development
b.		X traits are always recessive
c.		y traits are always recessive
d.		Half of all sperm cells are y

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