AP EAMCET (EAPCET) Zoology Multiple Choice Questions (MCQs)
Multiple Choice Questions - Genetics
Multiple Choice Questions - Genetics (APEAPCET)
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131. Mendel's law of independent assortment was demonstrated using which of the following organisms?
a) Drosophila melanogaster
b) Pisum sativum (pea plant)
c) Mus musculus (house mouse)
d) Homo sapiens (humans)
Answer: b) Pisum sativum (pea plant)
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132. Which of the following traits in Drosophila melanogaster is an example of a sex-linked characteristic?
a) Wing shape
b) Body color
c) Eye color
d) Size of wings
Answer: c) Eye color
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133. The inheritance of blood groups in humans is an example of:
a) Pleiotropy
b) Multiple alleles
c) Codominance
d) Polygenic inheritance
Answer: b) Multiple alleles
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134. Which of the following is an example of codominance in humans?
a) Sickle cell anemia
b) Rh factor in blood groups
c) Blood groups (ABO)
d) Cystic fibrosis
Answer: c) Blood groups (ABO)
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135. The condition where a gene at one locus affects multiple phenotypic traits is known as:
a) Epistasis
b) Pleiotropy
c) Incomplete dominance
d) Codominance
Answer: b) Pleiotropy
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136. In the context of sex determination, which of the following theories applies to the determination of sex in honey bees?
a) Genic balance theory
b) Haplodiploidy
c) XX-XY system
d) ZW-ZZ system
Answer: b) Haplodiploidy
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137. Which of the following is a sex-linked recessive disorder in humans?
a) Down syndrome
b) Haemophilia
c) Sickle cell anemia
d) Cystic fibrosis
Answer: b) Haemophilia
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138. Which of the following Mendelian disorders is caused by a point mutation in a gene coding for a transport protein?
a) Thalassemia
b) Sickle cell anemia
c) Cystic fibrosis
d) Alkaptonuria
Answer: c) Cystic fibrosis
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139. The human genome project aimed to:
a) Sequence the entire human genome
b) Cure genetic disorders
c) Study the inheritance of traits in humans
d) Investigate the role of mutations in evolution
Answer: a) Sequence the entire human genome
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140. Down syndrome is caused by:
a) A trisomy of chromosome 21
b) A monosomy of chromosome X
c) A deletion on chromosome 18
d) A duplication on chromosome 13
Answer: a) A trisomy of chromosome 21
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