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WorksheetsHuman chromosomes
Total questions: 9
Worksheet time: 4mins
Name
Class
Date
1.
What is a genome?
a)
The full set of genetic information that an organism carries in its DNA
b)
The full set of genetic information that an organism carries in its RNA
c)
The incomplete set of genetic information that an organism carries in its DNA
2.
True or False: A karyotype shows the completed diploid set of chromosomes grouped together in pairs, arranged in order of increasing size
a)
True
b)
False
3.
How many pairs of chromosomes does a human have?
a)
23
b)
46
c)
21
d)
45
4.
True or False: 3 of the 46 chromosomes in the human genome are sex chromosomes
a)
False
b)
True
5.
Fill in the blank: "The alleles for many human genes display ______ inheritance
a)
Co-dominant
b)
Non-dominant
c)
Complete dominant
6.
What is a Barr Body?
a)
A dense region in the nucleus
b)
A thin region in the nucleus
c)
A soft region in the nucleus
7.
Fill in the blank: "A pedigree shows the _____ or ______ of a trait according to the relationships between parents, siblings, and offspring.
a)
presence, absence
b)
length, height
c)
Maffs,Siences
8.
True or False: A horizontal line connecting a male and a male represents a marriage
a)
True
b)
False
9.
True or False: The information gained from pedigree analysis makes it possible to determine the nature of genes and alleles associated with inherited human traits?
a)
True
b)
False
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