Deleterious allele Study guides, Class notes & Summaries

Criteria for natural selection - Answer variation, heritable, influences fitness natural selection acts on __________ and evolutionary change acts on _____________ - Answer individuals, populations Artificial selection - Answer driven by humans selectively breeding How fast/far can artificial selection go? - Answer FAST -depends on how many genes -how much the phenotype is controlled by the environment FAR -presence of deleterious trade offs -limits of the genetic variation availab...

Most serious deleterious alleles are a. dominant. b. codominant. c. recessive. d. no longer a part of the gene pool. - Answer-C Maternal reports of movement, or "quickening," during pregnancy usually happen by about a. 10 weeks. b. 16 weeks. c. 24 weeks. d. 30 weeks. - Answer-B each new event builds on earlier experiences in orderly way or gradual improvement - Answercontinuous process development occurs in discrete steps or stages; each stage is a new set of behaviors - Answerdisco...

BIOL1082 EXAM ANSWERS 2023 A finch species living in the Galapagos Islands feeds on small insects found in flower buds. Its bill is most likely... a. small and narrow b. broad and powerful c. broad and sharp d. small and wide a Which of the following statements about the relationship between genotype and phenotype is true? a. A given genotype always produces a specific phenotype b. Genotype alone determine all phenotypes c. A particular phenotype can be produced by more than one geno...

. Which of the following statements about biological evolution is false? a. Species change over time. b. Natural selection produces changes in species. c. Individuals in a population evolve. d. Different species may share a common ancestor. e. Most populations are genetically diverse. 2. Which of the following descriptions of the gene pool shown below is correct? a. Population size = 15 b. Number of genes = 2 c. Frequency of X1= 0.80 d. Size of gene pool = 30 e. Frequency of X1X3...

Fst=1 complete differentiation Fst=0 no differentiation Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:00 Full screen Patrilocality the Females move and Males stay (lower Y variation, higher mDNA variation) Matrilocality the Males move and Females stay (higher Y variation, lower mDNA variation) mitochondrial DNA inherited maternally Y chromosome inherited paternally Beneficial mutatio...

McMaster BIO 1M03 PRACTICE TEST Questions and ANSWERS 2024/2024 | All Correct Actual Exam. Which of the following is true regarding the utility of teeth for studying evolution? A) Teeth are often sexually dimorphic but do not preserve well in the fossil record B) Teeth have morphological characteristics that can inform scientists about the diet of the species from which they are derived, but they tend to not exhibit sexual dimorphism C) Teeth have morphological characteristics that that can ...

A mutation with a deleterious effect on the function of a protein encoded by a human mitochondrial gene will be: Correct Answer maternally inherited Genes that are close together in the same chromosome: Correct Answer tend to be transmitted together Which of the following BEST describes the development of sexual structures in mammals? Correct Answer Embryos initially develop both male and female structures, once SRY becomes active, female structures degenerate and male structures continue ...

Based on the leaf colors of the two trees below, what type of parrot is most likely to be captured by hawks? - correct answer DD In a population of 271 Dd parrots, predators kill 55. What is the approximate fitness of the Dd genotype? - correct answer Fitness of Dd: 80% What set of fitness levels most likely produced the genotype graph shown below? - correct answer Fitness of DD 60%, Dd 75%, and dd 100% What set of fitness levels most likely produced the allele graph shown below? - corr...

McMaster Bio 1M03 Exam Questions with 100% Correct Answers | Latest Version 2024 | Verified Why might Pasteur's experiment be inconclusive? - The swan-necked flask broth may not support cell growth, or the broth was poisoned. Experiment did not confirm hypothesis that all cells come from pre-existing cells Why are replicates important in experiments? - To ensure that results were not achieved by random chance What is the definition of a replicate? - Unit that shares a common thi...

BIOL1082 EXAM ANSWERS 2023 A finch species living in the Galapagos Islands feeds on small insects found in flower buds. Its bill is most likely... a. small and narrow b. broad and powerful c. broad and sharp d. small and wide a Which of the following statements about the relationship between genotype and phenotype is true? a. A given genotype always produces a specific phenotype b. Genotype alone determine all phenotypes c. A particular phenotype can be produced by more than one ge...