Lifespan Development Final Exam Questions With Complete Solutions

Coordinates and manages various components within the cell correct answer: Nucleus - Everyone has 46 __________ that are divided into 23 pairs - Rod-shaped structures - Serve a particular function - transportation of genetic information - One Cell-->Genes = 25,000, 46 ______, 23 ______ pairs correct answer: Chromosomes - Basic functional and physical unit of heredity - Made up of DNA - Each chromosome contains many of these correct answer: Gene - cell division in which the nucleus divides into nuclei containing the same number of chromosomes OR - a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth correct answer: Mitosis - a mature haploid male or female germ cell which is able to unite with another of the opposite sex in sexual reproduction to form a zygote OR - reproductive cells - go through meiosis correct answer: Gametes - Process of cells dividing, forming gametes - Product from that is that a new cell is formed (a zygote) correct answer: Meiosis - a diploid cell resulting from the fusion of two haploid gametes - fertilized egg - Period: about 2 weeks correct answer: Zygote - 22/23 pairs of chromosomes are matching pairs, called ________. - The matched pairs function similarly and look alike (same image and same purpose) - The 23rd pair consists of sex chromosomes correct answer: Autosomes XX = female XY = male correct answer: Sex Chromosomes Less than 3% of pregnancies produce twins; odds are even slimmer for having 3+ children at once correct answer: Odds of Multiple Births Twins, triplets, quadruplets, monozygotic twins, dizygotic twins, trizygotic twins, combinations correct answer: Differ