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Multiple Choice
In the context of organic chemistry, what do the terms 'monohybrid cross' and 'dihybrid cross' refer to?
A
Monohybrid cross involves two pairs of identical traits, while dihybrid cross involves one pair of identical traits.
B
Monohybrid cross involves one pair of contrasting traits, while dihybrid cross involves two pairs of contrasting traits.
C
Monohybrid cross involves two pairs of contrasting traits, while dihybrid cross involves one pair of contrasting traits.
D
Monohybrid cross involves one pair of identical traits, while dihybrid cross involves two pairs of identical traits.
Verified step by step guidance
1
Understand that a 'monohybrid cross' refers to a genetic cross between two individuals focusing on a single pair of contrasting traits. This means you are observing how one specific trait is inherited.
Recognize that a 'dihybrid cross' involves a genetic cross between two individuals focusing on two pairs of contrasting traits. This means you are observing how two different traits are inherited simultaneously.
Clarify that in a monohybrid cross, you are dealing with one gene locus with two alleles, and you are interested in the inheritance pattern of this single trait.
In a dihybrid cross, you are dealing with two gene loci, each with two alleles, and you are interested in the inheritance patterns of these two traits and how they may interact.
Remember that the key difference is the number of traits being considered: one for monohybrid and two for dihybrid, and both involve contrasting traits, not identical ones.