Polygenic inheritance - Study guides, Class notes & Summaries

Chapter 8: Complex Inheritance of Common Multifactorial Disorders 1. Which of the following is characteristic of multifactorial inheritance? A) Disorders caused by a single gene mutation B) Disorders influenced by both genetic and environmental factors C) Disorders only transmitted through mitochondrial DNA D) Traits passed solely through dominant alleles Answer: B Rationale: Multifactorial disorders arise from the interaction of multiple genes and environmental factors, such as lifestyl...

________ Inheritance refers to any tree that is controlled by more than one gene. - -Polygenic A desert ecosystem includes grasses, mice, snakes, and hawks. As you move up the energy pyramid in this ecosystem, each level has______ energy than the one below. - -Less A female human has what chromosomes? - -Two X chromosomes A gene Is a section of DNA within a chromosome that codes for a what? - -Specific proteins A maple tree produces male and female flowers. Which term best describes the ...

A gene that affects the expression of a second gene is an example of __________________. a) pleiotropy b) codominance c) epistasis d) polygenic inheritance e) incomplete dominance correct answer: c) epistasis __________ is an example of a character that is controlled by more than one gene (a quantitative character) and demonstrates a continuum of phenotypes. a) Pleiotropy b) Polygenic inheritance c) Epistasis d) Codominance e) Incomplete dominance correct answer: b) Polygenic inhe...

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BSC 1010C Ch14 Dynamic Review Practice Exam Test. In humans, height and skin color have continuous variation in the population because of __________. incomplete dominance epistasis multiple alleles codominance polygenic inheritance - CORRECT ANSWER polygenic inheritance A red bull is crossed with a white cow and all of the offspring are roan, an intermediate color that is caused by the presence of both red and white hairs. This is an example of genes that are __________. ...

UCI BIO 93 FINAL EXAM 2024 WITH 100% CORRECT ANSWERS What is an example of incomplete dominance? - correct answer A red and white snapdragon making a pink offspring What is an example of co-dominance? - correct answer Blood cells. What is Pleiotropy? - correct answer When a gene affects more than one phenotypic character. What is the norm of reaction? - correct answer The range of phenotypic possibilities What are some example of polygenic inheritance? - correct answer Skin col...

NORTHWESTERN MICHIGAN COLLEGEBIO 268 FINAL EXAM 2024 What type of activation is lymphatic tissue by macrophages presenting antigens during a viral infection - correct answer Helper T-cells The juxtamedullary apparatus acts as a special vascular system called the countercurrent exchange. - correct answer False What type of birth control may prevent pregancey by manipulating the hormones and interfering with ovulation? - correct answer Hormonal method What pressure remains the same alo...

■ How can the sequence of bases contribute to the diversity among species? - Answer-DIFFERENT SEQUENCES OF BASES MAKE DIFFERENT TRAITS ■ Introns and Exons - Answer-INXONS ARE NOT NEEDED (IN TRASH), EXONS ARE THE PART OF NUCLEOTIDE THAT DO CODE FOR MAKING THE PROTEIN AND ARE READ (ESSENTIAL) ■ What are histones? - Answer-THE PROTEINS DNA WRAPS AROUND, HELPS BUILD SHAPE OF CHROMOSOMES ■ What are the nucleotide bases? - Answer-adenine (A), cytosine (C), guanine (G) and thymine (T). ...

What is an example of incomplete dominance? - Answer-A red and white snapdragon making a pink offspring What is an example of co-dominance? - Answer-Blood cells. What is Pleiotropy? - Answer-When a gene affects more than one phenotypic character. What is the norm of reaction? - Answer-The range of phenotypic possibilities What are some example of polygenic inheritance? - Answer-Skin color and height Norms of reactions are broadest for _____________ characters - Answer-polygenic Genetic t...

Psychology- Human Development, Papalia Ch-3 with Complete Solutions fertilization union of sperm and ovum to produce a zygote; also called conception zygote one-celled organism resulting form fertilization dizygotic twins twins conceived by the union of two different ova(or a single ovum that has split) with two different sperm cells; also called fraternal twins; they are no more alike genetically than other siblings monozygotic twins twins resulting from the division of a single ...