Genetic Probability in Plants

The video tutorial presents a genetics problem involving plant traits, specifically focusing on the dominance of tall and colored traits in corn plants. The instructor guides viewers through the problem, explaining the genotypes and probabilities associated with the traits. Using Punnett squares, the instructor demonstrates how to determine the paternal genotype that results in the given probabilities of offspring traits. The video concludes with the correct answer and encourages viewers to apply the learned concepts to similar problems.

What is the dominant trait for plant height in the given genetics problem?

• Tall (Capital T)

• Dwarf (Small T)

• White (Small C)

• Red (Capital C)

What is the probability of an offspring being tall in the given cross?

• 1

• 3/4

• 1/2

• 1/4

What is the probability of the kernel being colored in the given cross?

• 1

• 3/4

• 1/2

• 1/4

Which genotype combination results in 100% tall plants?

• Capital T Capital T x Small T Small T

• Capital T Small T x Small T Small T

• Capital T Capital T x Capital T Small T

• Small T Small T x Small T Small T

In the analysis of option C, what percentage of the progeny are tall plants?

• 100%

• 25%

• 50%

• 75%

Which genotype combination results in 1/2 colored kernels?

• Small C Small C x Small C Small C

• Capital C Small C x Capital C Small C

• Capital C Small C x Small C Small C

• Capital C Capital C x Capital C Small C

Which option was found to meet the requirement of 1/2 tall plants and 3/4 colored kernels?

• Option E

• Option A

• Option D

• Option C

Which genotype combination results in 3/4 tall plants?

• Capital T Small T x Capital T Small T

• Capital T Capital T x Small T Small T

• Capital T Small T x Small T Small T

• Small T Small T x Small T Small T

In the analysis of option B, what percentage of the progeny are short plants?

• 100%

• 75%

• 50%

• 25%

What is the correct paternal genotype that meets all the problem's requirements?

• Capital T Capital T, Capital C Capital C

• Capital T Small T, Small C Small C

• Capital T Small T, Capital C Small C

• Small T Small T, Small C Small C