Research indicates that ____ defects occur ____ often with multiple births than single births

a. central nervous system; less
b. heart; more
c. musculoskeletal; more
d. gastrointestinal; less
e. chromosomal; less


ANSWER: b

Biology & Microbiology

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Which one of the following sequences is most likely to form a hairpin with a 5 nucleotide loop?

A. TTTTAGACTGAAATAGTCTTTTT B. TACGAAATACGGGATTTA C. AAAAAAAATTTTTTT D. CCCGGGAAAAAAAAACCCGGG E. ACATACAGACCCAATTGACATAG

Biology & Microbiology

In the early years of the twentieth century, ____ proposed that some genetic disorders and abnormalities of metabolism are related

a. Sir Archibald Garrod b. Francis Crick c. Linus Pauling d. Linda Bartoshuk e. Gregor Mendel

Biology & Microbiology

Why are pea plants (Pisum sativum) a good species for genetics studies?


A. They have many distinctly identifiable forms of genetic traits.
B. They can be self-fertilized for true-breeding genetic traits.
C. They produce large numbers of offspring (the peas).
D. All of the answer choices are correct.
E. Growth of pea plants is simple and easy.

Biology & Microbiology

The insect vectors have six legs and include spiders, ticks, mosquitoes, and lice

Indicate whether the statement is true or false

Biology & Microbiology