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Journal Entry

In pea plants, smooth pods are dominant to wrinkled pods, and green pods are dominant to yellow pods. Two pea plants with smooth green pods are crossed. Both plants are heterozygous for pod texture and pod color.

Which phenotype ratio in the offspring would best support the conclusion that the genes for pod texture and pod color are on different chromosomes?
A) 6 smooth green : 6 smooth yellow : 2 wrinkled green : 2 wrinkled yellow
B) 8 smooth green : 0 smooth yellow : 0 wrinkled green : 8 wrinkled yellow
C) 9 smooth green : 3 smooth yellow : 3 wrinkled green : 1 wrinkled yellow
D) 16 smooth green : 0 smooth yellow : 0 wrinkled green : 0 wrinkled yellow

Learning Intentions

• You will learn Mendel's Laws apply to growing and crossing different fast growing plants. 

• You will learn different factors the affect plant growth and predict and then test how the factors influence plant growth. 

Content Standards being covered:

Topics:
IST-1.I Explain the inheritance of genes and traits as described by Mendel's laws.  

Science Practices:
6.E.c. Predict the causes or effects of a change in, or disruption to, one or more components in a biological system based on data.
5.C. Perform chi-square hypothesis testing.
1.C Explain biological concepts, processes, and/or models in applied contexts.

Habits of Mind/Life skills being covered: