In cattle, the presence or absence of scurs follows a sex-influenced pattern of inheritance. A heterozygous male has _______ and a heterozygous female has _______
A. Y-linked, X-linked
B. no scurs, scurs
C. X-linked, Y-linked
D. scurs, no scurs
D
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Eukaryotic cell membranes use many sterol molecules for construction, which contrasts with archaeal membranes that utilize ________.
Fill in the blank(s) with the appropriate word(s).
What are at least two arguments for conserving biodiversity?
What will be an ideal response?
When RNAs separated by electrophoresis are transferred to a membrane and detected using a nucleic acid probe, the
result is called a(n) Western Blot. __________________ Indicate whether the statement is true or false.
Many algal species have life cycles consisting of alternating haploid and diploid generations. Which sentence describes the organisms that comprise the most common life cycle in brown algae?
a. They are unicellular in both the haploid and diploid stages. b. They are colonial in both the haploid and diploid stages. c. They are multicellular in both the haploid and diploid stages. d. They are multicellular in the haploid stage and unicellular in the diploid stage.