Zygote Guides d'étude, Notes de cours & Résumés

ANSC 3040 Final Questions With Complete Solution 2024 What characterizes an Ootid to go to a Zygote and what is this process called Correct Answer: fusion of the two nuclei to one. called Syngamy What characterizes the change from a Zygote to a 2 cell embryo Correct Answer: the one cell embryo will undergo cleavage and become a 2 cell What are 7 stages of early embryonic development Correct Answer: 1. Ootid 2. Zygote 3. 2-cell embryo 4. Morula 5. Early blastocyst 6. Hatching Blast...

Importance of plants Correct Answer-food, natural products, ecosystem services (oxygen, ozone, coal), culture Preadaptations of Charophytes Correct Answer-fresh water spores covered in sporopollenin, life cycle allows dispersal by wind (spores) Gametophyte Correct Answer-haploid (n), makes gametes by mitosis Sporophyte Correct Answer-diploid (2n), makes spores by meiosis Alternation of Generations Correct Answer-Gametophytes go through mitosis to create gametes, which form zygote, zy...

BIOD 121 MODULE 6 EXAM LATEST UPDATED 2024 key developmental stages - Fertilization Blastogenic stage Embryonic stage End of first trimester Fetal Stage Tobacco use can - increase the risk for miscarriage, stillbirth, preterm delivery, and low birth weight infants Alcohol use - is linked to a risk for fetal alcohol syndrome, which results in physical and mental disabilities and growth retardation drug use - increases the risk for low birth weight, preterm delivery, miscarriage...

NBDHE- Embryology and histology (StudentRDH) Questions And Answers A+ Embryology - ANS-study of prenatal development, from fertilization to birth. Prenatal development - ANS-usually divided into trimesters (each lasting 3 months), but can also be divided into three periods (preimplantation, embryonic, and fetal) marked by changes in the development. -First trimester includes preimplantation and embryonic period Preimplantation period` - ANS-first week of conception. Embryonic period - A...

karyotyping - number and type of chromosome present Barr body - -condensed inactive X chromosome near nucleus of cell -all females have 1 Barr body nondisjunction - failure of chromosomes to separate during meiosis autosomal nondisjunction - -failure of chromosomes (other than sex chromosomes) to separate during meiosis -exs: trisomy 21, trisomy 18 translocation - portion of one chromosome is transferred to another (usually nonhomologous) abnormal egg (XX) x normal sperm (X) - -zygote: X...

karyotyping - number and type of chromosome present Barr body - -condensed inactive X chromosome near nucleus of cell -all females have 1 Barr body nondisjunction - failure of chromosomes to separate during meiosis autosomal nondisjunction - -failure of chromosomes (other than sex chromosomes) to separate during meiosis -exs: trisomy 21, trisomy 18 translocation - portion of one chromosome is transferred to another (usually nonhomologous) abnormal egg (XX) x normal sperm (X) - -...

What are the events that take place in a sexual cycle and why is this cycle significant? Ans: -Gamete formation (1n Haploid) -Fertilization (Syngamy) of gametes. -Zygote formation. Zygote is first 2n (Diploid) cell. Then recombination occurs (Basically, Haploid cells (Gamete and spirm) form to create Diploid cell (Zygote)) What is the first supergroup? Ans: Excavata What is asexual reproduction? Ans: One parent, and offsprings are identical clones to parent. What are the 3 organisms of...

What are the phases of menstrual cycle? - menstruation, follicular phase, ovulation, luteal phase, and ischemic phase. How many hours does an ovum need to be capable of fertilization? - 24 hours. (48 hours the most). Total critical span during sex must occur for fertilization to be successful is - 72 hours or 48 hours before ovulation, plus 24 hours afterward. Eggs are propelled into fallopian tubes (ampulla) by: - fimbriae, peristalsis of tube, and cilia of tube. What is the zona pelluc...

Exam 1: PRN 1831/ PRN1831| Latest 2024/ 2025 Update | Principles of Maternal-Child Health Nursing Exam Review| Rated A Guide with Verified Answers| 100% Correct - Rasmussen Q Physiologic changes during pregnancy to report immediately!   Answer: s/s of vaginal yeast infection  any s/s of infection  abnormal lab values Q Hemoglobin value when pregnant   Answer: 11.5-13 g/dL Q WBC value when pregnant   Answer: 5.9-14 Q creatinine clearance while pregnant  ...

Bio 172 Exam 1 Questions and Answers Rated A+ What are the events that take place in a sexual cycle and why is this cycle significant? - Gamete formation (1n Haploid) -Fertilization (Syngamy) of gametes. -Zygote formation. Zygote is first 2n (Diploid) cell. Then recombination occurs (Basically, Haploid cells (Gamete and spirm) form to create Diploid cell (Zygote)) What is the first supergroup? Excavata What is asexual reproduction? One parent, and offsprings are identical cl...