StudentAidUnit 7: Inheritance — Mcqs
10th Class Biology · Unit 7: Inheritance
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Select the correct answers for the following questions.
1.Chromosomes of eukaryotes are made of:
2.What is the relationship between a gene and an allele?
3.Which molecule is formed during transcription?
4.The central dogma of molecular biology is best represented by:
5.What happens during transcription?
6.What is the role of DNA in protein synthesis?
7.The allele that is expressed, when two separate alleles are inherited is called:
8.Which of these is a reason why pea plants were suitable for Mendel's experiments?
9.What does Mendel's Law of Segregation state?
10.In peas, allele for purple flower (P) is dominant over the allele for white flower (p). If a white flower is crossed with a heterozygous purple flower (Pp), what will be the ratio of offspring?
SLO Based Multiple Choice Questions
Structure of Chromosome
11.Which of the following terms refers to the similarities between parents and their offspring?
12.Which part of the chromosome is responsible for protecting it from degradation?
13.What is the function of chromosomes in protein synthesis?
14.What condenses into a chromosome?
DNA and RNA
15.Which of the following best defines a gene?
16.Alleles are:
17.What is a genotype?
18.Which one of the following genotype shows heterozygous condition?
19.Genes are short segments of:
20.An organism's expressed physical trait, such as seed colour or pod shape, is called its:
21.An organism has two different alleles for a single trait. Its genotype is said to be:
22.Which of the following statements regarding genes is FALSE?
- a Genes are located on chromosomes
- b Genes consist of a long sequence of DNA
- c A gene contains information for the production of a protein
- d Each cell contains a single copy of every gene
Mendel's Laws of Inheritance
23.The position of gene on chromosome is known as:
24.In Mendelian genetics, a dominant allele:
25.In a dihybrid cross, what was the phenotypic ratio Mendel observed in the F2 generation?
26.Mendel's Law of independent assortment states that:
27.Which of the following is true of a homozygous genotype?
28.What ratio did Mendel observe in the F2 generation of monohybrid cross?
29.Mendel studied heredity in:
30.The 9:3:3:1 ratio is a F2 ratio of:
31.A particular characteristic is controlled by dominant allele, A, and a recessive allele, a. Which cross would give a 1:1 ratio of the two phenotypes among the offspring?
32.Applying your knowledge of inheritance, pin point the correct genotype of round seeded true breeding pea plant.
33.How many genetically different kinds of gametes an individual with genotype AaBB can produces?
34.A cross in which only one trait is studied at a time is called:
35.The contrasting character which expresses itself in F1 generation is called:
36.The phenotypic ratio of 9:3:3:1 was the result of:
37.The genotype of hybrid tall plants is:
38.How many different types of gametes will be produced by a plant having a genotype AaBb?
39.Mendel's primary contribution to our understanding of inheritance was:
40.Which of the following genes will be termed as homozygous recessive?
41.True breeding always means: