Albinism (lack of skin and hair pigmentation) is caused by a recessive autosomal allele. A woman and man, both normally pigmented, have an albino child together. For this trait, what is the genotype of the albino child?
a) it is heterozygous
b) it is homozygous recessive
c) it is homozygous dominant
d) it is unknown because not enough information is provided
e) it depends on the sex of the child
Answer: b) it is homozygous recessive
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A sexually reproducing animal that can fertilize itselfis known asa ____ hermaphrodite
a. simultaneous b. sequential c. parthogenic d. gastrulated e. preferential
Competitive exclusion is the result of
a. mutualism. b. commensalism. c. competition. d. predation. e. parasitism.
Match the interaction or bond on the left with the phrase that best describes it on the right
A) electrostatic interactions B) transient interactions at very close range C) sharing of electrons D) association of nonpolar groups E) noncovalent attraction among water molecules 1) hydrogen bond 2) ionic bonds 3) van der Waals interactions 4) hydrophobic interaction 5) covalent bonding
What does the Pectoralis major do?
What will be an ideal response?