Question 51
Chromosomes, DNA and Sex LinkageWhich of these statements is correct?
- A.Recombination at fertilization does not occur between two homologous chromosome
- B.In homologous chromosome two genes very close to each other are more likely to form recombinants at meiotic prophase I
- C.A dominant gene masks the presence of a recessive gene
- D.Meiosis leads to the formation of daughter cells with diploid chromosome number
- E.Mitosis increases variation within a population
Show the answer and explanation
Answer: C (A dominant gene masks the presence of a recessive gene)
Explanation
In a heterozygote the dominant allele hides the effect of the recessive one.