In a Species of Drosophila,genes Q and R Are Found

question 8

Multiple Choice

In a species of Drosophila,genes q and r are found on the same chromosome 20 centimorgans apart.A cross was made between the following individuals: What proportion of the offspring would you expect to have the wild-type phenotype?

• A)0.10
• B)0.20
• C)0.40
• D)0.80
• E)None of these

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Definitions:

Older Mothers

Refers to women who become mothers at a later age, typically in their late 30s or older, which can involve different medical and psychological considerations compared to younger mothers.

Epidemiological Study

Research aimed at examining the patterns, causes, and effects of health and disease conditions in defined populations.

Correlational Studies

Research methods that explore the relationship between two or more variables, without determining direct cause-and-effect relationships.

Case Studies

Case studies are in-depth investigations of a single person, group, event, or community over a specific period, used to explore cause and effect relationships in unique contexts.