'X chromosomes' presentation slideshows

Animal Science 434 Reproductive Physiology

1.07k views • 73 slides

Mitosis/Meiosis Jeopardy!

498 views • 34 slides

Regulation of Gene Expression in Eukaryotes

1.22k views • 29 slides

Genetic Traits

Genetic Traits. Earlobe Attachment. Some scientists have reported that this trait is due to a single gene for which unattached earlobes is dominant and an attached earlobe is recessive. Other scientists have reported that this trait is probably due to several genes. Thumb Extension.

646 views • 23 slides

Genetic Traits

Genetic Traits. Earlobe Attachment. Some scientists have reported that this trait is due to a single gene for which unattached earlobes is dominant and an attached earlobe is recessive. Other scientists have reported that this trait is probably due to several genes. Thumb Extension.

404 views • 23 slides

Genetic Traits

563 views • 22 slides

Sex-linked Traits

387 views • 21 slides

DO NOW

DO NOW. 1.What is the correct number of autosomes and sex chromosomes in the somatic cell of a human male? 2. How many autosomes and sex chromosomes would be in the ovum of the human female?. ANSWERS. 44 autosomes and 2 sex chromosomes(X and Y) 22 autosomes and an X. WHAT DO YOU SEE?.

305 views • 20 slides

Human Genetics

Chapter 12. Human Genetics. Humans have 46 chromosomes 44 are autosomes 22 pairs of homologous chromosomes 2 are sex chromosomes: X and Y Females have two X chromosomes Males have one X and one Y. Review. Karyotypes : Male and Female.

317 views • 18 slides

Chapter 27 Human Development and Heredity

Chapter 27 Human Development and Heredity. Introduction . The purpose of the reproductive system is to produce offspring whose genetic information is faithfully transmitted from generation to generation. Fertilization to Birth. Fertilization

500 views • 14 slides

Gametogenesis

Gametogenesis. Gametogenesis. Gametogenesis is the creation of gametes. In males, it is spermatogenesis , creation of sperm. In females, it is oogenesis , creation of ova. Spermatogenesis. Occurs in the testes.

859 views • 13 slides

Find the Fib

Find the Fib. Directions: With your partner use your fib cards to select the statement that is false. Hold your card up when prompted to do so by the teacher. Body cells use mitosis to duplicate Mitosis creates two daughter cells Sex cells are formed through mitosis. meiosis.

371 views • 13 slides

Chapter 14: Human Inheritance

Chapter 14: Human Inheritance. Section 14-2: Human Genetic Disorders. From Molecule to Phenotype. There is a direct link between genotype and phenotype Example:

337 views • 12 slides

Prof. Dr. E. A. Kamel

Prof. Dr. E. A. Kamel. Department of Biological Sciences and Geology Faculty of Education Ain Shams University Cairo - Egypt. Preparing a Karyotype.

259 views • 10 slides

Regulation of Gene Activity and Gene Mutations

Regulation of Gene Activity and Gene Mutations. Mader - Chapter 15. Prokaryotic Regulation. The Operon Model Structural genes are controlled by upstream operator DNA than can bind a repressor molecule which prohibits RNA polymerase from binding to the promoter region of DNA.

198 views • 8 slides

Clicker Quiz!

Clicker Quiz!. Have your clickers ready!. 1. An individual is heterozygous for traits A and B. What alleles can that individual put in its gametes?. AaBb only AABBaabb only Aa OR Bb AB or Ab or aB or ab Aa or AB or Ab or aB or ab or Bb. 30. Countdown.

202 views • 7 slides

Chromosomes and Genetics

Chromosomes and Genetics. Chromosomes are long pieces of DNA, with supporting proteins. Genes are short regions of this DNA that hold the information needed to build and maintain the body Genes have fixed locations: each gene is in a particular place on a particular chromosome

196 views • 5 slides

Chapter 8 Cell Reproduction

Chapter 8 Cell Reproduction. Objectives: 1. Describe the structure of a chromosome. 2. Compare prokaryotic chromosomes with eukaryotic chromosomes. 3. Explain the differences between sex chromosomes

182 views • 5 slides

226 views • 4 slides

Autosomal Traits

204 views • 4 slides