Heredity and Genetic
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Heredity: the passing on of teaits and physical features from parents to their children.
genes: sets of instructions in each human cell that determine inherited physical features and other traits.
Article Learn.Genetics
Some traits are controlled by genes that are passed from parents to children.
Human Traits
Earlobe attachment
Tongue Rolling:
Some people can roll the sides of their tongue until it forms a tube shape.
Dimples
Freckles
Curly hair
Hand clasping
Attach earlobe, and unattached earlobe
Albinism
Albinism is a group of genetic conditions in which a person has no or very little melanin pigment in their skin, hair and eyes. Some children with albinism are born with pinkish-white skin, white hair and their eyes are usually light grey, blue or hazel.
2 Type of albinism
oculocutaneous albinism
ocular albinism
the hair, skin and eyes are all affected
involves only the eyes, while skin and hair colour appear similar to that of family members
Several eye conditions can affect people with albinism including:
nystagmus. which is horizontal back and forth movement of the eyes
photophobia. which is sensitivity to bright light and glare
CONCLUSION: Heredity is the process of inheriting traits from parents to their children through genes. Genetics are inherited traits, which determine the physical characteristics of people. This is the cause of offspring being similar to their parents.
How can probability be used to predict genetic traits?
probability allows us to predict the likelihood of traits and characteristics in a genetic cross using diagrams.