Principle of Inheritance and VariationHard
Question
Sex is determined in human beings
Options
A.by ovum
B.at the time of fertilization
C.40 days after fertilization
D.seventh to eight week when genitals differentiate in foetus
Solution
In human beings male produces two types of sperms, 50% of them carry X-chromosome and 50% have Y-chromosome.
Sex of baby depends upon which sperm fertilizes the ovum, so sex in human beings is deter mined at the time of fertilization.
Sex of baby depends upon which sperm fertilizes the ovum, so sex in human beings is deter mined at the time of fertilization.
Create a free account to view solution
View Solution FreeTopic: Principle of Inheritance and Variation·Practice all Principle of Inheritance and Variation questions
More Principle of Inheritance and Variation Questions
Choromosomes in a bacterial cell can be 1-3 in number and...In case of incomplete dominance in F2 generation...Biologically, marriage is prohibited between....Which one of the following isgenerally used for induced mutagrnesis in crop plants?...What is the ratio of a progeny of cross between F1 heterozygous and recessive...