Biology Quiz for NEET_3 (Genetics)

Biology Quiz for NEET_3 (Genetics)

1 / 30

Criss-cross pattern of inheritance is a characteristic of:

2 / 30

Which of the following correctly defines epistasis?

3 / 30

Mutant form of an allele, when present in the homozygous condition, causes the individual's death, but when present in the heterozygous state, the individual survives. The mutation is:

4 / 30

MN blood group in humans is controlled by L^M and L^N alleles of a gene located on chromosome number 4. Which of the following sentence about the expression of L^M and L^N alleles are correct?

5 / 30

All of the following are recessive traits except:

6 / 30

A diagram that reveals the pattern of inheritance in humans is:

7 / 30

In a cross between a male and female, both heterozygous for sickle cell anemia gene, what percentage of the progeny will be diseased?

8 / 30

Polyploidy arises due to:

9 / 30

Select the incorrect match:

10 / 30

For any X-linked trait in humans …………………….

11 / 30

A disease is inherited from the affected mother to all of their sons and half of their daughters. The disease is:

12 / 30

Two peas (Pisum sativum) plants of unknown genotypes, when crossed, the following result is obtained:
3/8 tall, round seeds; 1/8 dwarf, round seeds;
3/8 tall, wrinkled seeds and 1/8 dwarf, wrinkled seeds.
The genotype and phenotype of the parents are:

13 / 30

The probability of getting a plant of genotype PpWw from a cross between parental plants of genotype PpWw and Ppww is:

14 / 30

In the adjacent pedigree, the inheritance of a particular trait is shown. The trait is inherited as:

Figure Q. 18

15 / 30

The genetic variation may arise due to:

16 / 30

In cattle, hornless (H) is dominant over horned (h), and black (B) is dominant over red (b). In a cross between two double heterozygous individuals (HhBb), the proportion of individuals having only one of the dominant traits will be equal to:

17 / 30

In cattle, hornless (H) is dominant over horned (h), and black (B) is dominant over red (b). In a cross between two double heterozygous individuals (HhBb), the proportion of red & horned individuals will be equal to:

18 / 30

Which of the following is correct about sickle-cell anemia?

19 / 30

Which of the following pair of diseases and its inheritance pattern is incorrectly matched?

20 / 30

In a population of Drosophila, 76.6% of individuals show wild phenotypes for wing size and shape. The rest of the population shows recombination of these two phenotypes. The distance between genes controlling the wing size and the wing shape is:

21 / 30

Crossing over takes place between:

22 / 30

Crossing over takes place during which stage of cell division?

23 / 30

Which of the following pair of organisms and mechanism of sex determination is incorrect?

24 / 30

Which of the following statement is correct?

25 / 30

A phenotype is controlled by three alleles a++, a+, and a. If a++ and a+ express co-dominantly when present together, both a++ and a+ are dominant to allele a. The number of possible genotypes and phenotypes for the given condition are respectively:

26 / 30

ABO blood group in humans is controlled by:

27 / 30

The flower color of Mirabilis jalapa and Antirrhinum majus shows the phenomena of:

28 / 30

Which of the following cross represents a test cross?

29 / 30

Number of characteristics Mendel studied in his experiment on Pisum sativum was:

30 / 30

Which of the following is not a correct description of incomplete dominance?

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