Two Organisms,AABBCCDDEE and Aabbccddee,are Mated to Produce an F₁ That

question 39

Essay

Two organisms,AABBCCDDEE and aabbccddee,are mated to produce an F₁ that is self-fertilized.If the capital letters represent dominant,independently assorting alleles:
(a)How many different genotypes will occur in the F₂?
(b)What proportion of the F₂ genotypes will be recessive for all five loci?
(c)Would you change your answers to part (a)and/or part (b)if the initial cross occurred between AAbbCCddee X aaBBccDDEE parents?
(d)Would you change your answers to part (a)and/or part (b)if the initial cross occurred between AABBCCDDEE X aabbccddEE parents?

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Definitions:

Reinforcements

In behavioral psychology, any event that strengthens or increases the likelihood of a behavior repeating.

Systematic Desensitization

A therapeutic method used to reduce phobic or anxiety responses through gradual exposure to the feared object or situation coupled with relaxation techniques.

Gradual Association

The process of forming connections or associations between stimuli or ideas over time, often leading to learned behaviors or understandings.

Operant Conditioning

A learning process through which the strength of a behavior is modified by reward or punishment.