Before intercourse, a woman irrigates her vagina with a solution that lowers the pH of the vaginal fluid to 4.5. What will be the effect on sperm cells in the vagina?

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#Question id: 24565

#Unit 8. Inheritance Biology

A particular trait that are determined by autosomal genes and are inherited according to Mendel’s principles, this particular trait has higher penetrance in one of the sexes is known as

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#Question id: 18005

#Unit 9. Diversity of Life Forms

Which structure is common to both gymnosperms and angiosperms? 

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#Question id: 18380

#Unit 12. Applied Biology

A commonly used municipal wastewater treatment to restart activated sludge bioreactors. Which technique is involved in this remediation process?

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#Question id: 7148

#Unit 5. Developmental Biology

What is the relationship between dorso-ventral patterning of the neural tube and patterning of the somites

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#Question id: 3360

#Unit 11. Evolution and Behavior

Which of the following does not alter hardy Weinberg equability?