KS3 Biology - Genetics and evolution - 1 - Exam Style Questions with Answers

Created on February 27, 2023 By

paruppts12

KS3_GEN_BIO_GENE_1

1 / 10

Which choice represents a purebred?

tT

tt

TTt

Tt

2 / 10

Which is an accurate statement about the pedigree?

Only males are affected by the disease

Kate and Joe are both carriers

3 people are affected by the disease

it affects every generation

3 / 10

A ______________ is a tool used to predict the possible genotype from certain parents.

Mendel Grid

Genetic Tic Tac Toe

Pedigree Plot

Punnett Square

4 / 10

The structures shown are_________.

heterologous

analogous

vestigial

homologous

5 / 10

How many female carriers are there?

3

4

6

5

6 / 10

Which best describes the similar function of wings in birds and butterflies?

homologous structures

embryological structures

analogous structures

vestigial structures

7 / 10

What is this an example of?

variation

vestigial structures

diversity of species

DNA studies

8 / 10

A brown rabbit is easily hunted and killed in an arctic ecosystem. Which would be expected to appear most often in future generations born in the same ecosystem?

an even mix of grey, white, and brown rabbits

white rabbits

brown rabbits

grey rabbits

9 / 10

Which term refers to the process by which individuals that are better suited to the environment survive and reproduce therefore passing down their genes to their offspring?

Evolution

Variation

Adaptation

Natural Selection

10 / 10

Y = yellow and y = green. Given the blank Punnett Square, what will the results be?

50% yellow; 50% green

25% yellow and 75% green

100% yellow

75% yellow; 25% green

Your score is

The average score is 61%

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