What will cause the rate of mutation to increase?

increase in exposure to ionising radiation

increase in genetic variation in a population

increase in phenotypic variation in a population

increase in the rate of reproduction

The diagram shows the chromosomes in one human cell. What can be concluded from the chromosomes in this cell?

There are only 23 chromosomes per body cell.

There are only 46 pairs of chromosomes per sex cell.

The diagram shows the formation of new diploid cells. What do arrows X and Y represent?

X = duplication of chromosomes; Y = mitosis

X = duplication of chromosomes; Y = meiosis

X = meiosis; Y = duplication of chromosomes

X = mitosis; Y = duplication of chromosomes

Sickle-cell anaemia is a genetic disease that is caused by the allele Hb S . Hb A is the normal allele. A woman does not have the symptoms of the disease but her brother does show symptoms. If her mother and father do not have symptoms, which statement is correct?

The woman’s father and mother both have the genotype Hb A Hb S .

The woman has the genotype Hb S Hb S .

The woman’s brother has the genotype Hb A Hb A .

The woman’s father and mother both have the genotype Hb S Hb S .

What is an example of genetic engineering?

producing plants that have been given genes for resistance to insect pests

using enzymes to make washing powders

using pectinase to make fruit juice

Pure-breeding black-feathered chickens are mated with pure-breeding white-feathered chickens. All of the individuals in the offspring in the F 1 generation have both black and white feathers. What will be the ratio of offspring phenotypes when two of the F 1 generation chickens are crossed?

1 black : 2 black and white : 1 white

The diagram shows reproduction in a potato plant. Potato X was planted into the ground and a plant grew from it. The plant then produced potato Y. Which statement is correct?

Y was produced by asexual reproduction.

X and Y are genetically different.

Y was produced by sexual reproduction.

Y was produced by the fusion of gametes.

unspecialised cells that divide by mitosis to produce daughter cells

specialised cells that divide by meiosis to produce daughter cells

specialised cells that divide by mitosis to produce daughter cells

unspecialised cells that divide by meiosis to produce daughter cells

The list shows the diploid number of chromosomes of four organisms. fruit fly 8 human 46 potato 48 garden pea 14 What is the correct chromosome number of a male sex cell in each of these organisms?

fruit fly = 4; human = 23; potato = 24; garden pea = 7

fruit fly = 4; human = 46; potato = 12; garden pea = 7

fruit fly = 8; human = 46; potato = 48; garden pea = 14

fruit fly = 16; human = 92; potato = 96; garden pea = 28

The number of bacteria resistant to antibiotics is increasing. What has contributed to this situation?

not completing the course of prescribed antibiotics

choosing the antibiotic carefully to match the strain of bacterium

tracing, testing and treating people who have been in contact with the infected person

using antibiotics only when essential

Colour blindness is a condition that occurs more frequently in men than in women. Which statement about this condition is correct?

It is a sex-linked characteristic.

It can pass from father to son.

The gene is on the Y chromosome.

The diagram shows the phenotypes for blood groups in a family. Which statement about the genotypes of the parents is correct?

Both parents have the allele for blood group O.

Both parents have alleles for blood group A and B.

Only the father has the allele for blood group O.

Only the mother has the allele for blood group O.

The diagram shows a family tree and the inheritance of the ability to taste a certain substance. The allele for the ability to taste this substance is dominant. Which statement about the genotypes of the sisters Mary and Jeanne is correct?

Mary is heterozygous and Jeanne is homozygous.

Mary is homozygous and Jeanne is heterozygous.

What are all reasons why bacteria are useful in genetic engineering?

They have the same genetic code as other organisms. They have plasmids. There is a lack of ethical concern about their use.

They are very small. They do not need large containers. They have no mitochondria.

They reproduce asexually. They can double their numbers in twenty minutes in good conditions. They have cell walls.

Their DNA is not in a nucleus. They have a cell membrane. They have a large surface area to volume ratio.

Corn is a crop plant. Glow-worms are organisms which give off light. Which process could use these two species to make corn plants which glow?

transferring genes from one species to another species

breeding the organisms together

causing mutations in the organisms

Igcse inheritance

Quiz

•

Biology

•

10th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-LS3-1, HS-LS3-2, HS-LS1-4

+7

Standards-aligned

K G

Used 577+ times

FREE Resource

50 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The passing of traits from parent to offspring

Inheritance

Genetics

Hybrid

Probability

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

the genetic makeup of an organism

heterozygous

punnet square

genotype

phenotype

Tags

NGSS.HS-LS3-2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does heterozygous mean?

An organism that has the same alleles for a trait (TT or tt)

An organism that has different alleles for a trait (Tt)

When neither allele is fully dominant; offspring is a mixture of both

the different forms of a trait (hair color--> brown, blonde, red

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A dog gives birth to 5 puppies. What percentage of the chromosomes does each puppy share with the mother?

25%

50%

75%

100%

Tags

NGSS.HS-LS3-1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following cell types is formed by meiosis?

muscle cells

skin cells

sperm cells

blood cells

Tags

NGSS.HS-LS3-2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An organism's appearance is known as its

heredity

phenotype

genotype

pedigree

Tags

NGSS.HS-LS3-2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Where, in the eukaryotic cell, is DNA located?

ribosomes

nucleus

E.R.

cytoplasm

Tags

NGSS.MS-LS1-2

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Igcse inheritance

50 questions

The passing of traits from parent to offspring

the genetic makeup of an organism

What does heterozygous mean?

A dog gives birth to 5 puppies. What percentage of the chromosomes does each puppy share with the mother?

Which of the following cell types is formed by meiosis?

An organism's appearance is known as its

Where, in the eukaryotic cell, is DNA located?

the condensed form of DNA is called________________

One alternative form of a gene is called_______________

What does homozygous mean?

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