In humans, the chances of male and female offspring are theoretically:
Correct answer: C. 1:1
- A. 1:2:1
- B. 2:1
- C. 1:1
- D. 3:1
Explanation
According to probability rule, the chances for two types of sperms in fertilizing the single type of egg are fifty fifty.
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About Inheritance
Mendel's laws explain segregation, independent assortment and the prediction of genetic ratios using alleles, genotypes and phenotypes. The chapter also covers linked genes, recombination and crossing over during meiosis, then applies pedigree reasoning to X-linked recessive traits, which show different inheritance patterns in males and females.
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More Inheritance questions
In humans:
It is essential for triggering the development of maleness in humans:
The male determining gene of the Y chromosome is called:
In humans, if X-carrying sperm fertilizes the egg, the offspring will be:
Many different alleles of a gene may be produced by:
All such altered, alternative forms of a gene, whose number is more than two, are called: