Determine the mode of inheritance of the trait in the pedigree above
1.autosomal dominant
2.sex-linked recessive
3.autosomal recessive
4.X-linked dominant
5.X-linked recessive
6.mitochondrial inheritance
7.Y-linked inheritance
3
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Which of the following is a difference between LTR and non-LTR transposition?
A. An mRNA copy of the transposon is synthesized. B. Reverse transcriptase is used to copy the mRNA into DNA. C. The DNA copy of the mRNA is replicated to form a DNA copy of the transposon. D. LTR transposons are primed extrachromosomaly, whereas non-LTR transposons are target primed. E. Copies of the transposons are left in the donor and target sites upon completion for both.
Atrial natriuretic hormone (ANH) stimulates the kidneys to excrete salt and water in the urine. Why does it make sense that the heart is the source of ANH?
A. The heart is a major endocrine organ that releases several hormones. B. ANH helps regulate blood pressure, which is sensed by distension of the heart atria. C. The heart is conveniently close to the hypothalamus. D. Secretion of hormones by the heart makes it easy for them to enter the bloodstream. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about atrial natriuretic hormone? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Studies done in the 1960s suggested that individuals with the XYY condition were prone to criminal behavior. What conclusions currently seem appropriate concerning this chromosomal condition?
What will be an ideal response?
If the codon AUC codes for the placement of the amino acid isoleucine, and GGU codes for the placement of glycine, which of these sequences codes for glycine-isoleucine-isoleucine-glycine?
A. AUCGGUUGGCUA B. GGUAUCCUAUGG C. GGUAUCGGUAUC D. GGUAUCAUCGGU