Answered

Which of the following is not true regarding heredity?

A. At the time of conception, 46 chromosomes are organized into 23 matched pairs (23 from each parent).
B. The phenotype is the result of all genes that, in combination, provide traits that determine the individual's physical appearance.
C. The combination of chromosomes from the two biological parents provides the individual's genotype, a unique set of inherited traits.
D. There are two sex-linked chromosomes: Y for biological females and X for biological males.



Answer :

GinnyAnswer

Final answer:

In heredity, the genotype inherited from both parents determines the phenotype, with sex chromosomes X and Y defining the individual's sex.


Explanation:

The statement that is not true regarding heredity is:

  • d) There are two sex-linked chromosomes: Y for biological females and X for biological males.

Humans inherit 46 chromosomes, 23 from each parent, which organize into 23 pairs. The genotype, the genetic makeup of an individual, is inherited from both biological parents and determines the phenotype, the physical characteristics. Sex chromosomes, X and Y, determine the sex of the individual and are part of the genetic inheritance.


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