WorksheetsJunior Cycle Inheritance and Variation
Total questions: 23
Worksheet time: 11mins
Passing of features from the offsprings are called as...
Keys
DNA
Genes
Inheritance
What characteristic would a child NOT inherit from the parents?
Freckles
Eye colour
Hair style
Dimples
Which sentences are FALSE?
Humans are made up of 23 pairs of chromosomes.
Human are made up of 46 chromosomes.
Chromosomes is made up of cytoplasm.
Chromosomes is located in the nucleus
What is the abbreviation for deoxyribonucleic acid?
RNA
DOA
DNA
DBN
The disappearance of a species.
Evolution
Extinction
Migration
Mutation
What are the four bases of DNA?
ATGC
ATDC
GCAS
DNAB
What is the function of the X and Y chromosomes?
Eye colour
Hair colour
Height
Sex
What are chromosomes?
Long strands of DNA that contain lots of genes.
Different versions of a gene.
The basic unit of heredity; controls a specific trait.
A characteristic passed from parent to offspring
The differences that occur from a mixture of genes
What are alleles?
Long strands of DNA that contain lots of genes.
Different versions of a gene.
The basic unit of heredity; controls a specific trait.
A characteristic passed from parent to offspring
The differences that occur from a mixture of genes
What is an inherited trait?
Long strands of DNA that contain lots of genes.
Different versions of a gene.
The basic unit of heredity; controls a specific trait.
A characteristic passed from parent to offspring
The differences that occur from a mixture of genes
The offspring of asexually reproducing organisms have genes that are ____________ to that of their parent.
different
same
dominant
recessive
Different versions of a gene
variation
inherited trait
gene
chromosome
allele
A characteristic passed from parent to offspring
variation
inherited trait
gene
chromosome
allele
A characteristic passed from parent to offspring
variation
inherited trait
gene
chromosome
allele
The offspring of asexually reproducing organisms have genes that are __________ to that of their parent.
different
identical
uncles/aunts
parents
dominant
A Punnett square showing the cross between two pea plants is shown. In pea plants, the smooth coat allele (R) is dominant over the wrinkled coat allele (r). One part of the Punnett square is filled in. Which shows the correct letters and pictures for the peas that should be in the other 3 squares.
A tightly wound bundle of DNA is a chromosomes. True of false?
True
False
We are combination of...
20% from mother and 80% from father
50% from mother and 50% from father
70% from mother and 30% from father
40% from mother and 60% from father
The differences among a species, like different bird beaks, are called...
Genes
Variation
Traits
Theories
