Answer the following statements true (T) or false (F)
1. Somatic cell mutations are heritable.
2. Mutations can produce a polypeptide with increased function.
3. The timing of a mutation during development has negligible effects on the severity of the genetic defect.
4. Larger genes are usually more likely to incur a mutation than smaller genes.
1. FALSE
2. TRUE
3. FALSE
4. TRUE
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Suppose you saw the seedling pictured at the right while walking in the woods.
a. To which gymnosperm phylum does the plant belong? b. Identify structures a) seed coat and b) cotyledon.
Cotyledons develop as part of _____
a. carpels c. embryo sporophytes b. accessory fruits d. petioles
Which of the following is a list of taxa, that along with their common ancestors, constitutes a monophyletic clade?
A. Prokaryotes B. Eukaryotes C. Protists D. All of the above E. None of the above
You analyze a blood sample taken from a man who survived for 2 days in the desert with no water to drink. Based on your knowledge of kidney physiology, you are not surprised to find that his blood level of ADH is
A) higher than normal. B) lower than normal. C) zero. D) normal.