Random fertilization - Study guides, Class notes & Summaries

BIO SCI 93: DNA TO ORGANISMS (UCI) FINAL EXAM 2024 WITH 100% CORRECT ANSWERS When does crossing over occur? - correct answer during Meiosis I between non-sister chromatids Crossing Over - correct answer One mechanism by which genetic variability is generated during Meiosis (looks like a little switch/tiny tag) When can nondisjunction occur? - correct answer 1. Anaphase of Mitosis 2. Anaphase I of Meiosis 3. Anaphase II of Meiosis Nondisjunction - correct answer Chromosomes are u...

What stage of cellular respiration produces the most ATP? Answer> Oxidative Phosphorylation (26-28 ATP) During what stage of the cell cycle is cyclin most prevalent and MPF most active? Answer> M phase During which phase of meiosis do homologous chromosomes move toward opposite poles of the dividing cell? Answer> Anaphase 1 The electron transport chain takes place in what membrane layer and cellular organelle? Answer> Inner membrane; mitochondria What process during cel...

What are alleles? How many alleles does an individual have for one particular trait? Alternative from of one gene. There are two alleles per trait. What are the sources of genetic variation in asexual and sexual organisms? 1. Mutations 2. Random Fertilization 3. Independent Assortment 4. Crossing Over What is the principle of independent assortment? Formation of random combinations of chromosomes in meiosis. A bird homozygous for black feathers and a bird homozygous fo...

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...

Alternation of generations - Cycle has BOTH multicellular haploid & multicellular diploid forms Are the most visible life stages of the land plant groups sporophytes (2n) or gametophytes (n)? - All are sporophyte except nonvascular is gametophyte Changing-environment hypothesis - offspring that are genetic clones of their parents are unlikely to thrive if the environment changes Crossing over - homologous chromosomes exchange genetic information Diploid dominant life cycle - Similar to ani...

Bio 1201 Gregg Exam 3 Questions And Answers (Verified And Updated) the units of heredity and are made up of segments of DNA - answergenes how many chromosomes do humans have in the nucleus of their somatic cells? - answer46 chromosomes (23 pairs) the two chromosomes in each pair are called... - answerhomologous chromosomes/homologs each pair of homologous chromosomes includes... - answerone chromosome from each parent what does meiosis result in - answer4 haploid daughter cells what doe...

BIO 315 Exam 1 Questions and Answers 100% Pass Humans have 23 pairs of chromosomes. Chromosomes 1-22 are best referred to as ______. a. Centromeres b. Autosomes c. Karyotype d. Nuclei e. Sex chromosomes - Correct Answer ️️ -B How many DNA molecules would be found in a single chromosome? a. 4 b. 10 c. More than 10 d. 1 e. 2 - Correct Answer ️️ -D An alternate form of a gene is called a(n) ________. a. Allele b. Exome c. Genome d. Chromosomes e. mutation - Correct Answer...

Biology ACP Review Questions and answers, graded A+. latest Updates Independent Assortment - -the random distribution of pairs of genes on different chromosomes in gametes Meiosis - -A process in cell division during which the number of chromosomes decreases to half the original number by two divisions of the nucleus, which results in the production of sex cells Crossing Over - -The exchange of genetic material between homolgous chromosomes during meiosis; can result in genetic recomb...

Which of the following ideas are not required for evolution? A. Individuals of a population vary in their heritable traits B. More offspring are produced than can survive C. Variation among individuals are acquired within a lifetime D. Natural selection favors individuals with more advantageous traits - Answer-C. Variation among individuals are acquired within a lifetime True or False: Adaptive genes are already present in a population. Their frequencies increase due to the environmen...

Biology Midterm 2 Study guide 4 Exam Questions With 100% Correct Answers 1. List the genotypes of all the different gametes that could be formed by an individual with the genotype RrSsTt. - answerRST, Rst, RsT, RSt rST, rst, rsT, rST 2. If an adult male has the genotype AABbcc, list all the possible sperm genotypes that could be produced by this male. - answerAbC, ABC How many different possible egg genotypes could be made by a female with the genotype RRssTt? - answer2: RsT, Rst Give t...