Use the Following to Answer Questions

question 11

Multiple Choice

Use the following to answer questions :
A gene family has been accumulating nucleotide substitutions at a rate of 0.25 substitutions per million years.On average,there have been 80 substitutions between the common ancestor of this gene family and each of the various living forms of this gene.
-How many substitutions are likely to have evolved between any pair of living forms of genes from this gene family?

• A) 20
• B) 40
• C) 80
• D) 160
• E) 320

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Definitions:

Memory Ability

The capacity to store, retain, and recall information and experiences.

Babbling

Vocalization of the basic speech sounds (phonemes), which begins between 4 and 6 months.

Consonant-Vowel Combinations

Sequences involving a consonant followed by a vowel that are basic units of language sound, essential for word formation.

Overregularization

This term refers to a linguistic error made by children learning language where they apply regular grammatical patterns to words that are exceptions to the rule.