A genetic cross in which the inheritance of a single pair of contrasting characters is followed is called a
Correct answer: D. monohybrid cross
- A. dihybrid cross
- B. test cross
- C. back cross
- D. monohybrid cross
Explanation
Mono means one character, such as height, and the classic F2 ratio of 3 to 1 comes from it. A dihybrid cross follows two characters at once and gives the 9:3:3:1 ratio.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
About Mendel's Laws of Inheritance
Mendelian inheritance explains how alleles separate into gametes and assort during reproduction, producing predictable genotype and phenotype ratios. Questions cover dominance, recessiveness, homozygous and heterozygous conditions, the laws of segregation and independent assortment, monohybrid and dihybrid crosses, test crosses and the limits caused by linked genes.
Practise Inheritance
1,238 free Inheritance MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Biology questions like this
Biology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Mendel's Laws of Inheritance questions
An individual carrying two different alleles of a gene, such as Tt, is described as
The observable characteristics of an organism, produced by its genes and the environment, are called its
Mendel chose the garden pea for his experiments partly because it
In pea plants, tall (T) is dominant over dwarf (t). What proportion of the offspring of the cross Tt x Tt will be tall?
Mendel's law of independent assortment states that
How many genetically different types of gamete are produced by an individual with the genotype AaBb, assuming independent assortment?