Genetic factors that affect development

Each living cell in the human body has a nucleus containing - how many pairs of chromosomes?

• 23

• 21

• 16

• 6

XX combination will mean the baby will be.......

• male

• female

• Down's Syndrome

• high risk of cancer

Genes are made of a substance called deoxyribonucleic acid (DNA). What does this carry?

• white blood cells for fighting infections

• biological instructions to create another life

• folic acid to help the baby form in the womb

• factors related to nurture

Predisposition diseases are caused by..........

• An increased likelihood of acquiring a disease because of an individual’s genetic makeup

• The environment inside a mother’s womb can have a dramatic influence on a child’s development. It can affect a child’s long-term development including their attention span and learning abilities.

• Inherited genes that determine physical growth, development, health and appearance.

• a poor immune system.

Susceptible diseases are......

• An increased likelihood of acquiring a disease because of an individual’s genetic makeup

• cancer

• diabetes

• high cholesterol

According to the World Health Organization (WHO), most diseases involve (a)   and the complex interaction of many genes.

The environment inside a mother’s womb can have a dramatic influence on a ............................................................ It can affect a child’s long-term development including their attention span and learning abilities.

• child's development.
• attachment

• disease predisposition

• child's social learning

Predisposition diseases include......

• Phenylketonuria (PKU)

• Colour Blindness

• Cystic fibrosis

• Foetal alcohol syndrome

Biological factors that affect development. Tick those that are TRUE.

• The nicotine inhaled in smoking contains carbon dioxide which gets into the blood stream restricting the amount of oxygen to the foetus.

• Children born to mothers who smoke tend to weigh less at birth and are more prone to infections and are twice as likely to die of cot death.

• It can affect a child’s long-term development including their attention span and learning abilities.

• Taking drugs and getting some types of infection can also damage a child’s development in the womb.

Cystic fibrosis is caused by a ............................................... thought to be carried by as many as 4 per cent of the UK population.

• faulty gene

• drinking alcohol

• smoking during pregnancy

• xx formation