A scientist wants to change the DNA of a sexually reproducing organism and have the new DNA present in every cell of the organism. In order to do this after fertilization, she would change the DNA in which of the following?

FERTILISATION EARLY DEVELOPMENT OF EMBRYO AND IMPLANTATION

Please wait while the activity loads.
If this activity does not load, try refreshing your browser. Also, this page requires javascript. Please visit using a browser with javascript enabled.

If loading fails, click here to try again

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	zygote
B	placenta
C	testes of the father
D	ovaries of the mother

Explanation:

Detailed explanation-1: -Meiosis is the process through which sexually reproducing organisms maintain their particular chromosomal numbers from generation to generation. In humans, meiosis generates sperm and eggs, each having 23 chromosomes. By fertilizing sperm and ova, the chromosome number is restored in the zygote (46 chromosomes).

Detailed explanation-2: -Answer and Explanation: Sexually reproducing organisms have two of each chromosome in their cells because they received one set of chromosomes from each parent during the process of reproduction. All sexually reproducing organisms originated from a single fertilized egg.

Detailed explanation-3: -Reproduction is the production of offspring. There are two main forms: sexual and asexual reproduction. In sexual reproduction, an organism combines the genetic information from each of its parents and is genetically unique.

There is 1 question to complete.

NEET PG DENTAL EXAM

EMBRYOLOGY

FERTILISATION EARLY DEVELOPMENT OF EMBRYO AND IMPLANTATION