Color-blindness is more common in males than in females because:a
females need to inherit only one copy of the recessive color blindness allele to express the trait.
b. males only need to inherit the recessive maternal color blindness allele to be color blind.
c. color-blindness is an autosomal trait.
d. all females are hemizygous for the color blindness trait.
e. males can only inherit paternal color blindness alleles
b
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A. support B. movement C. protection of internal structures D. mineral storage E. blood cell production
Which of the following is the proper sequence for mitosis?
a. metaphase, prophase, anaphase, telophase b. metaphase, telophase, prophase, anaphase c. prophase, metaphase, anaphase, telophase d. anaphase, metaphase, prophase, telophase e. prophase, anaphase, metaphase, telophase
Which of the following can cause evolutionary change in a small population?
A) Homozygous individuals B) Lack of mutations C) Genetic drift D) Lack of gene flow E) All recessive alleles
Dizziness is a perceived sensation that can occur when _____
A) the hair cells in the cochlea move more than their normal limits B) moving fluid in the semicircular canals encounters a stationary cupula C) rods and cones provide information that does not correspond with information received by cochlear hair cells D) the basilar membrane makes physical contact with the tectorial membrane