Science True-False

A child who inherits a ' Y ' chromosome from the Father will be a girl.

Snail is an animal that can change its sex.

In the experiment performed by Mendel on dihybrid inheritance, there are four types of plants formed in the F₁ generation.

Men have one Y-chromosome of normal size and other a short-sized X-chromosome.

A section of protein that provides information for the DNA is called the gene.

Sexually reproducing individuals may have two identical or different copies of genes for the same trait.

The sex determination in human being occurs right at the time when the fertilisation occurs therein.

In human being, the son obtains one X-chromosome from each of the two parents, the mother and the father.

Gene is a definite segment of DNA, which possesses information for the synthesis of a specific type of protein.

Both the types of pea plants, used as parent generation by Mendel in his experiments. were pure breeds in the expression of their characters.

One quarter of the obtained plants in F₂ generation of the Mendelian experiment were short.

The garden pea plants of Pisum sativum selected by Mendel were having long life cycle and could be reared with lots of difficulties.

In asexual reproduction, variations arise due to the changes occurring during DNA copying.

Asexual reproduction generates a large proportion of variations.