When affected males produce all affected daughters and no affected sons, the pattern of inheritance is likely to be ____________________
Fill in the blank(s) with correct word
X-linked dominant
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Methanogens can live only in ________ environments.
A. anaerobic B. microaerophilic C. aerobic D. All of the choices are correct.
The first stage in the development of the nervous system is
a. gastrulation. b. blastulation. c. neurulation. d. morulation. e. festination.
What insight did Nettie Stevens's studies of the beetle Tenebrio molitor provide about the chromosome theory of inheritance?
A) Genes are located on chromosomes. B) The number of autosomal chromosomes varied between gametes. C) Crossing over occurs between homologous chromosomes. D) Sex is determined by the presence of an X or Y chromosome in the male gamete. E) Chromosomes assort independently into the haploid gametes.
Preserving biodiversity can increase the value of land and of the resources extracted from it.
a. true b. false