Phenotypic sex - Study guides, Class notes & Summaries

What neurochemical abnormality is most consistently described in Alzheimer disease of moderate severity. Decreased choline acetyltransferase activity Which of the following sources of pain is thought to have a primarily central (non-nociceptive) mechanism? a) cancer pain b) fibromyalgia c) osteoarthritis d) diabetic neuropathy e) postherpetic neuralgia b) fibromyalgia A patient presents with mild memory impairment, tearfulness, insomnia, and blurry vision. The patient acts as if blind, cannot...

chromosomal sex correct answers determines sex and occurs when sperm fuses with egg (fertilization) XX or XY gonadal sex correct answers primary sex determination testes or ovaries dictated by genes phenotypic sex correct answers secondary sex determination everything aside from gonads internal reproductive tract external genitalia dictated by hormones how many chromosomes? correct answers 22 autosome pairs XY or XX as the 23rd sex chromosome pair meiosis correct answers onl...

Adaptation - A trait that helps an organism survive and reproduce adventitious roots - roots that arise above ground Alleles - Different forms of a gene allopatric speciation - the process of speciation that occurs with geographic isolation Aneuploidy - Abnormal number of chromosomes. Archea - have cell walls that, do not contain peptidoglycan assotative mating - an individual is more likely to mate with another that is similar in phenotype to itself autosomal inheritance - Inheritance o...

PD BIO 205 Human Biology: MIDTERM I - STUDY GUIDE Finalized 2023. Sex Chromosome - ANSWER CHROMOSOME that determines the SEX of the individual Alleles - ANSWER One of a number of ALTERNATIVE VERSIONS of a gene posessing a UNIQUE nuceotide sequence. These come from mutations. 2 IDENTICAL alleles = HOMOzygous; 2 DIFFERENT alleles = HETEROzygous. Genotype - ANSWER The GENETIC MAKEUP of an individual. It is a COMPLETE set of alleles, the genes found in a person's DNA, and has profound inf...

Unit 1,2,3,4 & 5: MN 553/ MN553 (Latest 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A Unit 1 Q: An infant who is four days postpartum has been diagnosed with a single-gene disorder. The parents of the child have a number of questions about the etiology of the health problem, which the physician is attempting to address in detail. Which of the following teaching points most accurately captures an aspect of single-gene congenital disorders? A. Affected genes are...

What neurochemical abnormality is most consistently described in Alzheimer disease of moderate severity. - ANS Decreased choline acetyltransferase activity Which of the following sources of pain is thought to have a primarily central (non-nociceptive) mechanism? a) cancer pain b) fibromyalgia c) osteoarthritis d) diabetic neuropathy e) postherpetic neuralgia - ANS b) fibromyalgia A patient presents with mild memory impairment, tearfulness, insomnia, and blurry visio...

Define the term biodiversity - diversity of important ecological entities that span multiple spatial scales, from genes, to species to communities - biological diversity encompasses all species of plants, animals, and microorganisms, and the ecosystems and processes of which they are part Explain how the terms species, richness, evenness, and diversity are related Species richness: a count of all the different species in a prescribed area Species evenness: a measure of the rareness or c...

Chapter 03 Extensions to Mendel’s Laws     
Multiple Choice Questions
  1.  Which of the following is not a phenotypic description of allele interactions affecting the expression of traits?  
A.  incomplete dominance 
B.  codominance 
C.  polymorphic 
D.  multifactorial 
E.  pleiotrophic   
Bloom's: 1. Remember
Learning Objective: 03.01.01 Categorize allele interactions as completely dominant, incompletely dominant, or codominant.
Section: 03.01
Topic...

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