Mendel and Genetic Crosses (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
15 questions from this quiz
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Practise the questions
15 questions from this quiz
What is a gene?
What is a gene?
A section of DNA controlling protein
What is the locus of a gene?
What is the locus of a gene?
Its position on the chromosome
What are alleles?
What are alleles?
Different forms of the same gene
How are dominant alleles represented?
How are dominant alleles represented?
Capital letters
How are recessive alleles represented?
How are recessive alleles represented?
Lowercase letters
What is a genotype?
What is a genotype?
The genetic make-up of an organism
What is a phenotype?
What is a phenotype?
The physical expression/appearance
What does homozygous mean?
What does homozygous mean?
Having two identical alleles
What does heterozygous mean?
What does heterozygous mean?
Having two different alleles
What is Gregor Mendel known as?
What is Gregor Mendel known as?
The father of genetics
How many characteristics did Mendel study in pea plants?
How many characteristics did Mendel study in pea plants?
Seven
What is a monohybrid cross?
What is a monohybrid cross?
Study of single characteristic
How many alleles are carried in each gamete?
How many alleles are carried in each gamete?
One
What phenotypic ratio results from crossing two heterozygous individuals?
What phenotypic ratio results from crossing two heterozygous individuals?
3:1
In pedigrees, how are males represented?
In pedigrees, how are males represented?
Squares