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WorksheetsHeredity/genetics
Total questions: 14
Worksheet time: 14mins
Name
Class
Date
1.
The inherited combination of alleles is called the ______
a)
genotype
b)
phenotype
c)
chromosome
d)
DNA
2.
An organism's inherited appearance is called _______.
a)
genotype
b)
phenotype
c)
chromosome
d)
DNA
3.
Different forms of a single gene are called a(n) _________.
a)
gene
b)
chromosome
c)
allele
d)
genotype
4.
Purple flowers are dominant to white flowers. What would the phenotype for a flower with genotype pp be?
a)
purple
b)
white
c)
pink
d)
yellow
5.
Purple flowers are dominant to white flowers. What would the phenotype for a flower with genotype Pp be?
a)
purple
b)
white
c)
pink
d)
yellow
6.
Purple flowers are dominant to white flowers. What would the phenotype for a flower with genotype PP be?
a)
purple
b)
white
c)
pink
d)
yellow
7.
A trait that is apparent only when two recessive alleles for the same characteristic are inherited is called
a)
dominant
b)
recessive
c)
homozygous
d)
heterozygous
8.
If a gene has dissimilar pairs of alelles for any hereditary characteristic it is called
a)
homozygous
b)
heterozygous
c)
codominant
d)
dominant
9.
TRUE OR FALSE: A coiled structure of DNA and protein that forms in the cell nucleus during cell division is called a chromosome.
a)
True
b)
False
10.
TRUE OR FALSE: If at least one allele is a capital letter in the pair of genes, the recessive trait will be dominant.
a)
True
b)
False
11.
TRUE OR FALSE: Segments of DNA that carry hereditary instructions and are passed from parent to offspring and are located on the chromosomes are called alleles.
a)
True
b)
False
12.
TRUE OR FALSE: A genotype of NN would be heterozygous.
a)
True
b)
False
13.
TRUE OR FALSE: A genotype of mm would be homozygous recessive.
a)
True
b)
False
14.
TRUE OR FALSE: A genotype of Ss would be heterozygous.
a)
True
b)
False
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