Genetic Diagrams (Grade 12 NSC Matric Life Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does phenotype refer to in genetics?
What does phenotype refer to in genetics?
Observable traits like height or color
What does homozygous mean?
What does homozygous mean?
Both alleles for a trait are the same
How are dominant and recessive alleles represented in genetic diagrams?
How are dominant and recessive alleles represented in genetic diagrams?
Capital for dominant, lowercase for recessive
What is the correct sequence in a genetic diagram layout?
What is the correct sequence in a genetic diagram layout?
P1 → meiosis → fertilisation → F1
What phenotypic ratio results from crossing two heterozygous parents in complete dominance?
What phenotypic ratio results from crossing two heterozygous parents in complete dominance?
3:1
What phenotype results when red flowers (RR) cross with white flowers (WW) in incomplete dominance?
What phenotype results when red flowers (RR) cross with white flowers (WW) in incomplete dominance?
All pink flowers
What is the key feature of co-dominance?
What is the key feature of co-dominance?
Both alleles expressed simultaneously
What is the sex chromosome combination for human males?
What is the sex chromosome combination for human males?
XY
How many autosomes do humans have?
How many autosomes do humans have?
44
What is the difference between genotype and phenotype ratios?
What is the difference between genotype and phenotype ratios?
Genotype shows genes, phenotype shows traits