Gene

Q.

Is color blindness a Mendelian disorder?

Q. What are the types of chromosomes on the basis of location of centromere?

Q.

What are the alleles that control the trait?

Q. Assertion [A]: Genes are the segments of DNA molecule.

Reason [R]: Genes carry information for protein synthesis.

1. [A] is true and [R] is false
2. [R] is true and [A] is false
3. Both [A] and [R] are true and [R] is the correct explanation for [A]
4. Both [A] and [R] are true but [R] is not the correct explanation for [A]

Q. When a genotype consists of a dominant and a recessive allele for a trait, the phenotype expressed will be .

1. dominant
2. recessive
3. new
4. incomplete

Q. Which of the following statements on the concept of inclusive fitness explain altruistic behavior in animals?

1. Altruism is the result of learning and occurs in most social species.
2. Altruism results in the production of a greater number of offspring.
3. Altruism lowers stress in altruistic individuals, which increases fitness.
4. Altruism results in other individuals performing altruistic acts in return.
5. Altruism increases the number of young of genetically similar individuals.

Q. Alleles are alternate forms of different genes.

1. False
2. True

Q. The branch of biology that deals with heredity and inheritance of characters is called _________.

1. genetics
2. mutation
3. evolution
4. taxonomy

Q. Genes are the functional segments of DNA.

1. True
2. False

Q. Monogenic and chromosomal disorders are genetic disorders.

1. True
2. False

Q. Units of heredity that transfer traits from parents to offsprings.

1. Blood
2. Genes
3. None of the above
4. Hair

Q. Both Mendelian and chromosomal disorders are types of genetic disorders.

1. True
2. False

Q. Genes are made up of repeating units of chromosomes.

1. False
2. True

Q. Choose the correct option.

1. Alternative forms of genes which occupy the same position on chromosome.
A. Alleles
B. DNA

2. The trait that is not expressed is called recessive trait.
A. True
B. False

3. Which of these is not a dominant trait?
A. Blue eyes
B. Dimples

Q.

define genotype

Q. Select the statements that are true for genes.

i. Genes are specific sequences of nucleotides in a DNA molecule.
ii. A gene does not store information for protein synthesis.
iii. In individuals of a given species, a specific gene is located on a particular chromosome.
iv. Each chromosome has only one gene.
v. Genome identification is the basis of DNA fingerprinting.

1. i, ii and iii
2. i, iii and v
3. i, iii and iv
4. ii, iv and v

Q. refers to the pair of genes responsible for the visible characteristics in individuals.

Q.

The defective gene responsible for the disease PKU is found on chromosome __