Search Results for: sex determination
Chromosomes X and Y and Sex Determination
Reviewed by: Mary Anne Clark, Ph.D. In humans, the normal chromosome complement is 46, consisting of 22 pairs of... Read More
Y chromosome
Y chromosome Definition The Y chromosome constitutes one member of the pair of sex chromosomes within an organism, a common... Read More
Sex-linked trait
Definition of Sex-Linked Traits A sex-linked trait is an observable characteristic of an organism that is influenced by the... Read More
Sex determination
Definition noun (1) (embryology) The developmental process in which the sex of a bipotential embryo is fixed or determined... Read More
Molecular Basis of Temperature-Dependent Gender of Red-Eared Slider Turtle
Imagine a child inside a womb with a sex yet to be decided not by the pair of sex chromosomes but by the ambient temperature... Read More
Haplodiploidy
Definition noun A biological system of sex determination as observed in the Hymenopteran species (e.g. ants and bees) where... Read More
Hermaphrodite
We all know that typically living organisms are divided into two main categories of sex-based on their biological structure.... Read More
Sex chromosome
Definition noun, plural: sex chromosomes A type of chromosome in the genome that is involved in the determination of the sex... Read More
Sex linkage
Definition noun, plural: sex linkages A condition in which a trait or a phenotype manifesting apparently more frequently in... Read More
Sex-determining Region Y gene
Definition noun The gene that codes for the SRY protein, which is associated with the testicular development in many male... Read More
Y-linked inheritance
Definition noun (genetics) Inheritance for genes on the Y chromosome Supplement Sex chromosomes are not only relevant... Read More
Inherited traits
What are Inherited Traits? The characteristics or traits that are passed from parents to offspring are known as inherited... Read More
Triple-X syndrome
Definition noun A genetic condition in which a female has an extra X chromosome Supplement In humans, the sex chromosomes... Read More
X chromosome
Definition noun, plural: X chromosomes A mammalian sex chromosome which typically occurs in two in females and one in... Read More
Embryology
Embryology Definition Embryology is a branch of biology that deals with the topics concerning gamete formation... Read More
X-linked inheritance
Definition noun (genetics) Inheritance for genes on the X chromosome Supplement Sex chromosomes are not only relevant for... Read More
Y-linked gene
Definition noun, plural: Y-linked genes A gene located on the Y chromosome Supplement Y chromosome is the male chromosome of... Read More
Klinefelter syndrome
Definition noun A genetic condition in a male characterized by the presence of at least one extra X chromosome Supplement In... Read More
Mendel’s Law & Mendelian Genetics
Reviewed by: Mary Anne Clark, Ph.D. The previous tutorial, Dominance, has described Gregor Mendel’s law of... Read More
Genetics – Lesson Outline & Worksheets
Topics Modules Quizzes/Worksheets Description Introduction to Genetics Genetics - Definition:... Read More
Law of Segregation
Mendel’s Laws of Inheritance The father of genetics, Gregor Mendel, reported his findings in 1860 that initially were... Read More
Men could go extinct? Y chromosome disappearing slowly
Hold on to your seats, gentlemen -- the male chromosome (Y chromosome) disappearing at a certain rate could absolutely be... Read More
Cell differentiation
Cells are often described as the building blocks of life as they are the smallest unit used to build up organisms. Cells can... Read More