Monohybrid Cross (Leaving Cert Biology): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is a monohybrid cross?
What is a monohybrid cross?
Cross studying one gene
What is the F1 generation?
What is the F1 generation?
First generation offspring
What is the F2 generation?
What is the F2 generation?
Second generation offspring
How should alleles be symbolised in a monohybrid cross?
How should alleles be symbolised in a monohybrid cross?
Capital for dominant, lowercase recessive
What is a Punnett Square?
What is a Punnett Square?
Grid predicting offspring genotypes
What genotype do all F1 offspring have from a BB x bb cross?
What genotype do all F1 offspring have from a BB x bb cross?
Bb
What phenotype do all F1 offspring have from a BB (brown) x bb (blue) cross?
What phenotype do all F1 offspring have from a BB (brown) x bb (blue) cross?
Brown eyes
In heterozygous individuals, what happens to the recessive allele?
In heterozygous individuals, what happens to the recessive allele?
Masked by dominant allele
What is the phenotypic ratio from a Bb x Bb cross?
What is the phenotypic ratio from a Bb x Bb cross?
3:1
What is the genotypic ratio from a Bb x Bb cross?
What is the genotypic ratio from a Bb x Bb cross?
1:2:1
What gametes does a heterozygous (Bb) parent produce?
What gametes does a heterozygous (Bb) parent produce?
B and b
What does the term 'progeny' mean?
What does the term 'progeny' mean?
Offspring from a genetic cross