WorksheetsEvolution and inheritance
Total questions: 20
Worksheet time: 13mins
What is a karyotype?
A complete set of genes for an organism
A complete set of DNA for an organism
A complete set of chromosomes for an organism
A complete set of proteins for an organism
DNA is found in the (a)
What does heterozygous mean?
An organism has two different chromosomes
An organism has two of the same alleles
An organism has two different genes
An organism has two different alleles
The two main causes of variation within a species are:
Genetics
Diet
Environment
Personality
Name the 2 scientists that were credited with the discovery of the structure of DNA
Watson and Crick
Franklin and Crick
Watson and Mendel
Creese and Bareham
If brown eyes are dominant (E) and green eyes recessive (e), what colour eyes would a cat have if they had the genotype, Ee?
Brown
Green
Blue
What process takes place to ensure only half the number of chromosomes (23) are found in gametes?
Mitosis
Meiosis
Fertilisation
Phagocytosis
True or False: Males are XY
True
False
Adaptation in relation to animals is...
How an animal adapts to survive in its environment
What an animal eats
How an animal breeds
How animals manage to eat more than one type of food
Evolution in relation to animals is...
The different things animals eat
How animals have evolved over time into different species
How to classify different animals
How animals have learnt to eat other animals
How has a polar bear adapted to live in the Arctic? Tick one or more that you think are correct.
It has thick white fur to keep it warm.
It can swim
It is a mammal
it is warm blooded
Which famous person discovered the theory of evolution?
Carl Linnaeus
Charles Darwin
David Attenborough
Chris Packham
Parents have heterozygous alleles (Bb) where the dominant allele codes for brown eyes, and the recessive allele for blue eyes. What is the probability that their child will have blue eyes?
If no freckles (F) is dominant and having freckles (f) is recessive. What is the genotype of a person who is heterozygous for that trait?
FF
Ff
ff
If purple (P) flowers are dominant to white (p) flowers. How would you write the alleles for a flower that is homozygous recessive?
PP
Pp
pp
What are the bases that make up the structure of DNA?
A, T, C, D
A, G, T, D
A, T, C, G
A, T, G, U
Which base always pairs with Adenine (A) in DNA?
Cytosine (C)
Thymine (T)
Guanine (G)
Uracil (U)
What is this called?
Punnet square
Multiplication square
Biodiversity square
Evolution square
Reorder the following from largest to smallest
Cell
Nucleus
Chromosome
DNA
Gene
