All life on Earth uses DNA as the... genetic material Chromosome long strands of DNA What part of every eukaryotic cell contains chromosomes? Nucleus Where does each chromosome contain genetic information? Genes Gene length of DNA that codes for the proteins that make up our bodies What are th...
Human Cells Contain 點擊卡片即可翻轉 👆 23 pairs of chromosomes2 meters of DNA20,000 genes coding for proteins3 billion DNA base pairs per set of chromosomes (A,T,G,C) 點擊卡片即可翻轉 👆 1 / 24 建立者 nicolettesilva24 3週前建立 Overview 探索生物學的奧妙 從細胞到生態系統,為生物學的...
Haploid gametes contain half the normal amount of chromosomes Genome all the genes in a particular individual or all the genes of a particular species Covalent Bonds share valence electrons Ionic Bonds Electrons transfer, donor of electrons become positive and receivers become negative, usually weaker ...
b. gametes c. gametophytes d. zygotes e. seeds c (gametophytes) Which of the following statements is true of archegonia? A)They are the sites where male gametes are produced. B) They may temporarily contain sporophyte embryos. C) They are the same things as sporangia. ...
Chromosome: Gametes -contain 23 chromosomes -haploid cells- one member of each pair -formed through meiosis Chromosomes: Autosomes -first 22/23 pair in males and females -homologous Chromosomes: Sex Chromosomes -remaining pair -female: homologous (XX) ...
All of the following events occur during prophase in mitosis EXCEPT crossing over The skin cells of an adult female rat has 40 autosomes and 2 sex chromosomes. A healthy egg cell would contain which number and type of chromosomes? 20 autosomes and 1 X chromosome ...
organelle found in cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy; contain chlorophyll What two organelles are thought to come about through endosymbiosis? mitochondria and chloroplast What is evidence for endosymbiosis? mitochondria ...
parents discharge their gametes into the water, where fertilization then occurs, often without the male and female even making physical contact (timing is important) spawning environmental cues such as temp or chemical signals cause a whole population to release gametes all at once internal fertilizati...
When the two gametes that fuse to form a zygote contain different alleles of a given gene, the offspring is Recessive What type of allele produces its effects in only homozygous individuals? All of the offspring had purple flowers When Mendel used true-breeding white flowers and true-breeding ...
Which of the following is true of the gametes of a human female who has nondisjunction of her X chromosomes in meiosis I? a .All the gametes contain 22 chromosomes. b. The gametes contain 22 or 24 chromosomes. c. All the gametes contain 23 chromosomes. ...