Genes This is a product of the science department of Dartford Technology College.

Genes

This is a product of the science department of Dartford

Technology College

Question 1

Where are the chromosomes found in a cell?

• Cytoplasm

• Cell membrane

• Nucleus

• Vacuole

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Question 2

How many chromosomes are there in a body cell nucleus?

• 10

• 23

• 46

• 92

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Question 3

Chromosomes are made up of thousands of these?

• Chromos

• Genes

• Jeans

• Bites

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Question 4Genes in turn are made of complex chemical called DNA.

What does it stand for?

• Do Nucleic Amine

• De Natured Acids

• Deoxy-ribo Nucleic Acid

• Do Not Answer

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Question 5

Select from the following a genetically linked disease that you have studied?

• Bronchitis

• Emphysema

• Influenza

• Cystic Fibrosis

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Question 6

Which of the following is known as the male gamete?

• Beard

• Penis

• Testes

• Sperm

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Question 7

Asexual reproduction produces identical offspring to the parent these are known as?

• Drones

• Crones

• Clones

• Scones

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Question 8

Which of the following is the term for a genetic disorder where a person has extra toes or fingers?

• Glaucoma

• Haemophilia

• Colour-blindness

• Polydactyly

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Question 9

What does a capital letter signify in gene notation?

• Recessive

• Dominance

• Male

• Female

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Question 10In the 1990’s scientist calculated the sequence of bases in human chromosomes was around 3 billion bases long. What did the scientist call this experiment?

• The human gene experiment

• Gene count 1999

• The human genome project

• Genes for Genes

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Question 11

What do we call the repair or replacement of a faulty gene?

• Gene builder

• Gene swap

• Gene fix

• Gene therapy

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Question 12

What was the name of the sheep that was cloned from one of her mothers cells?

• Molly

• Dolly

• Jolly

• Lolly

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Question 13

What do we call genes from plants or animals that are put into other organisms by genetic engineering?

• Transgenic

• Gene transfer

• Gene implant

• Commuted gene

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Question 14

What advantage do people have who carry a single sickle-cell disease allele?

• Resistance to colds

• Resistance to heart attacks

• Resistance to the malaria parasite

• Resistance to worms

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Question 15

Plants that have yellow leaves, lack a mineral which makes chlorophyll?

• Calcium salts

• Potassium salts

• Magnesium salts

• Phosphates

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Question 16

Plants that have stunted growth and older leaves turn yellow lack?

• Nitrates

• Phosphates

• Potassium salts

• Magnesium salts

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Question 17

Poor root growth and slow stem growthis due to lack of?

• Potassium salts

• Nitrates

• Magnesium salts

• Phosphates

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Question 18

Different forms of a gene are called?

• Homozygous

• Recessive

• Alleles

• Dominant

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Question 19

Which famous scientist is known as the father of genetics?

• Charles Darwin

• Gregor Mendel

• Jonas Salk

• Alexander Fleming

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Question 20

When two gametes fuse in fertilisation what is formed?

• Nucleus

• Cytoplasm

• Ovum

• Zygote

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