AP BIOLOGY

HEREDITY

SEX LINKAGE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Chromosomes that determine the body characteristics ____
A
Allosomes
B
Autosomes
C
Karyotype
D
Sex linkage
Explanation: 

Detailed explanation-1: -Autosomes differ from sex chromosomes, which make up the 23rd pair of chromosomes in all normal human cells and come in two forms, called X and Y. Autosomes control the inheritance of all an organism’s characteristics except the sex-linked ones, which are controlled by the sex chromosomes.

Detailed explanation-2: -Autosomal traits are controlled by genes on one of the 22 pairs of human autosomes. Autosomes are all the chromosomes except the X or Y chromosome, and they do not differ between males and females, so autosomal traits are inherited in the same way regardless of the sex of the parent or offspring.

Detailed explanation-3: -An autosome is one of the numbered chromosomes, as opposed to the sex chromosomes. Humans have 22 pairs of autosomes and one pair of sex chromosomes (XX or XY). Autosomes are numbered roughly in relation to their sizes.

Detailed explanation-4: -An allosome is a sex chromosome that differs in size, form and behaviour from an autosome. Humans have one pair of allosomes These chromosomes contain genes that determine the biological sex of an organism. These chromosomes form pairs.

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