The geologist who suggested that natural processes are slow and steady and that Earth is much older than 6,000 years was?
A. Charles Darwin
B. Georges Buffon
C. Alfred Russel Wallace
D. Jean Lamarck
E. Charles Lyell
E. Charles Lyell
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A male is heterozygous for the trait that produces freckles on the skin, and he has freckles. If he marries a woman who is also heterozygous for freckles, ______ percent of their children are predicted to be freckled. Also, of all their children, ______ percent are predicted to be heterozygous. rev:
A. 100%, 100% B. 75%, 50% C. 75%, 25% D. 50%, 50% E. 100%, 75%
Which of the following are NOT components
of the appendicular skeleton? a. arm bones b. collarbones c. finger bones d. ribs e. leg bones
The root extensions of mangroves are called ________
Fill in the blank(s) with correct word
Triplo-X syndrome is when a woman has an extra X chromosome. Using your knowledge of chromosomal inheritance, which of the following statements is most likely to be correct?
a) A woman with three X chromosomes produces oocytes with two X chromosomes, which could result in her giving birth to a XXY son. b) Women with this condition are usually marked by profound mental impairment. c) This condition does not exist because a fetus with three X chromosomes cannot survive birth. d) Women with this disease are able to give birth to normal children with the normal number of sex chromosomes. e) Both a) and d) are likely to be correct.