Homologous characters - Study guides, Class notes & Summaries

Bio 1201 Gregg exam 3 questions and answers rated A+ the units of heredity and are made up of segments of DNA genes how many chromosomes do humans have in the nucleus of their somatic cells? 46 chromosomes (23 pairs) the two chromosomes in each pair are called... homologous chromosomes/homologs each pair of homologous chromosomes includes... one chromosome from each parent what does meiosis result in 4 haploid daughter cells what does meiosis 1 do separates homologous chrom...

BIOLOGY 1201- Exam 3 2023 Christopher Gregg LSU (Chapters 13,14,15,16 & 17) Rated A+ Genetic diversity requires __________. sexual reproduction, independent assortment, crossing over between nonsister chromatids of homologous chromosomes, and random fertilization Which of the following occurs in meiosis, but not mitosis? Homologous chromosomes separate. Sister chromatids differ from nonsister chromatids in that sister chromatids __________. are products of the S phase of the cell ...

Which word is incorrect in the following statement? Placental mammals (Placentalia) form a monophyletic group. Monotremata is an ancestral lineage that diverged from the basal node in mammals during the Jurassic. Marsupial (Marsupialia) and placental mammals are sister clades. - ️️ancestral Which phylogenetic characters are the most useful in phylogenetic analyses? - ️️synapomorphy Which of the following statements is true? - ️️Most mutations are either neutral or deleterious ...

Life History -Correct Answer Pattern of how organisms allocate time and energy among the various activities throughout its life that affect survival, maturation, and reproduction Life History Traits -Correct Answer Longevity, growth rate, age at sexual maturation, age at first reproduction, number of reproductive bouts per lifetime, number of offspring per reproductive bout Ecdysis -Correct Answer periodic shedding of the cuticle in arthropods or the outer skin in reptiles (cicadas in lect...

Iteroparous Species that reproduce multiple times during their lives (ex: humans, dogs, Semelparous Species that reproduce only once in their life, but may produce MANY offspring during that one, Iteroparity A survivorship pattern related to reproductive patterns; often typical of organisms whose survival chances increase once they reach maturity, Semelparity A survivorship pattern related to reproductive patterns; often typical of organisms with type 3 survivorship, Phylogeny a synonym for ...

BIO 182 Exam 1 with Complete Solutions 2024 Macroevolution - Correct Answer Evolutionary change above the species level. Ecological species concept - Correct Answer identifies species in terms of their ecological niches, focusing on unique adaptations to particular roles in a biological community Postzygotic - Correct Answer Barriers that prevent the hybrid zygote from becoming a fertile adult. The theory of gradualism - Correct Answer Profound geological changes took place through the...

classification in biology, the ordering of organisms into categories, such as orders, families, and genera, to show evolutionary relationships. Chordata The phylum of the animal kingdom that includes vertebrates vertebrates animasl with segmented, bony spinal columns; inlcudes fishes, amphibians, reptiles(inluding birds), and mammals homologies Similarities btwn organisms based on descent from a common ancestor analogies similarities bwtn organisms based strictly on common function, with no ...

mitosis - Answer-division of the nucleus -results in two identical daughter cells -direct duplication of genetic material -no change in chromosome number -10% of cell cycle interphase - Answer-90% of cell cycle -3 phases: G1, S, G2 G1 - Answer-chromosomes unfold, organelles multiply, membranes are synthesized S - Answer-chromatin is replicated G2 - Answer-preparation for cell division centromere - Answer-specialized region of the chromosome where sister chromatids are attached phragmo...

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...