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WorksheetsGENETICS
Total questions: 15
Worksheet time: 8mins
What do you call the organisms that have two identical alleles for a trait?
Dominant
Heterozygous
Homozygous
Hybrid
What does the principle of dominance states about the phenotypic expression of traits?
All alleles are dominant
All alleles are recessive
Alleles can be dominant or recessive
None of these
Which of these refers to the physical expression of the genes of an individual for a particular character?
Karyotype
Genotype
Phenotype
Stereotype
How are your chromosomes inherited?
most of your chromosomes from your father
most of your chromosomes from your mother
a random number of chromosomes from each parent
half your chromosomes from your mother and half from your father
Which of the following is the example of heterozygous allele?
Tt
TT
tt
XX
What do you call the organisms that have 2 identical alleles for a trait?
Hybrid
Homozygous
Heterozygous
Dominant
Which of the following ailments is caused by the deletion of chromosome number 5 during meiosis?
Cri du chat
Down syndrome
Klinefelter’s syndrome
Turner’s syndrome
In the Punnet square, curly hair (C) is dominant over straight hair (c)? Which of the following is true about the
offspring resulting from the cross?
About half are expected to have curly hair
About half are expected to have straight hair
All are expected to have curly hair
All are expected to have straight hair
This condition is characterized by three copies of chromosome 21.
Cri du Chat
Klinefelter's Syndrome
Down Syndrome
Turner's Syndrome
Who is the father of Genetics?
Gregor Mendel
Carolous Linnaeus
Dmitri Mendeleev
Ernest Haeckel
The pair of genes separate from each other during gamete formation. This is now known as the ______________________
Law of Segregation
Law of Independent Assortment
Principle of Dominance
Which of the following helps to determine the possible combinations of genes in a cross?
Test cross
Probability
Punnet Square
Self-fertilization technique
It refers to the resulting heterozygotes that exhibit the traits of both parents.
Incomplete dominance
Codominance
Multiple Alleles
Sex-Linked Traits
The human blood system is an example of ______________
incomplete dominance
codominance
multiple alleles
sex-linked traits
Which of the following is a sex-linked traits?
Hemophilia
Diabetes
Hypertension
Arthritis
