With respect to the type of haemoglobin produced, the gene for the sickle cell trait in human beings is:

Q. Which of the following(s) is/are true for X-linked dominant traits?

Q. Number of male gametes having both dominant genes for YYRr per 1000 is

Q. Assertion :Sex-influenced genes are autosomal genes in both males and females. Reason: The phenotypic expression of sex-influenced genes is different in different sexes, dominant in one sex and recessive in the other.

Q. Assertion: The red eye color in Drosophila is dominant over white eye

Reason: The gene for white eye is present on the X chromosome and both the gene and trait is said to be X-linked

Q. In a cross between a male and female, both heterozygous for sickle cell anaemia gene, what percentage of the progeny will be diseased?