MHT CET PYQs for Non-Mendelian Genetics with Solutions: Practice MHT CET Previous Year Questions

1.

In a population of rabbits, the brown fur color (B) is dominant to the white fur color (b). If a heterozygous brown rabbit is crossed with a homozygous white rabbit, what is the probability of their offspring having brown fur?

2.

Snapdragon is an example of _________ gene interaction.

• Codominance
• Multiple alleles
• Incomplete dominance
• Polygenic inheritance

3.

Total genetic content of an organism is called

• Gene pool
• Genetic drift
• Gene frequency
• Gene mutation

4.

In a family, a man with hemophilia, a genetic disorder where blood doesn't clot properly, marries a woman who is a carrier of the gene but does not express the disorder. What is the probability that their son will have hemophilia ?

• 0%
• 25%
• 50%
• 75%

5.

In a family, a man with hemophilia, a genetic disorder where blood doesn't clot properly, marries a woman who is a carrier of the gene but does not express the disorder. What is the probability that their son will have hemophilia ?

• 0%
• 25%
• 50%
• 75%

6.

In a family, a man with hemophilia, a genetic disorder where blood doesn't clot properly, marries a woman who is a carrier of the gene but does not express the disorder. What is the probability that their son will have hemophilia ?

• 0%
• 25%
• 50%
• 75%

7.

In a cross between a pea plant heterozygous for round seeds (Rr) and a plant with wrinkled seeds (rr), what is the expected phenotypic ratio of the offspring?

• 1 Round : 1 Wrinkled
  
• 3 Round : 1 Wrinkled
  
• All Round
  
• All Wrinkled
  

8.

In Mirabilis jalapa, when red and white varieties are crossed, the hybrid obtained will be ________ pink.

• $25\%$
• $50\%$
• $75\%$
• $100\%$

9.

In a family, a man with hemophilia, a genetic disorder where blood doesn't clot properly, marries a woman who is a carrier of the gene but does not express the disorder. What is the probability that their son will have hemophilia ?

• 0%
• 25%
• 50%
• 75%

10.

In a family, a man with hemophilia, a genetic disorder where blood doesn't clot properly, marries a woman who is a carrier of the gene but does not express the disorder. What is the probability that their son will have hemophilia ?

• 0%
• 25%
• 50%
• 75%

11.

In a monohybrid cross between two heterozygous pea plants (Pp x Pp), what is the expected phenotypic ratio of the offspring?

• 3:1
  
• 1:2:1
  
• 1:1
  
• 4:0
  

12.

In a family, a man with hemophilia, a genetic disorder where blood doesn't clot properly, marries a woman who is a carrier of the gene but does not express the disorder. What is the probability that their son will have hemophilia ?

• 0%
• 25%
• 50%
• 75%

13.

In a Mendelian cross between two heterozygous pea plants (Tt x Tt), where "T" is the dominant allele for tall plants and "t" is the recessive allele for short plants, what is the probability of obtaining a short plant?

• \( 0 \)
  
• \( \frac{1}{4} \)
  
• \( \frac{1}{2} \)
  
• \( 1 \)
  

14.

Roan Cattle is an example of \(\_\_\_\_\)

• Incomplete Dominance
  
• Codominance
  
• Complete Dominance
  
• Polygenic Inheritance
  

15.

In a trihybrid cross involving three different genes (AaBbCc x AaBbCc), what is the expected genotypic ratio among the offspring?

• 1:1:1:1:1:1:1:1:1
• 27:9:9:9:3:3:3:1
• 64:16:16:16:16:4:4:4:4:1
• 81:27:27:27:27:9:9:9:9:3:3:3:3:1