Question

QUESTION 1 Examine the images of the normal human male and female karyotypes. How many total chromosomes are present in the male's kar Note: Type your answer as a number, NOT the word for the number. 46 QUESTION 2 Examine the images of the normal human male and female karyotypes. How many total chromosomes are present in the female's karyotype? Note: Type your answer as a number, NOT the word for the number. 46 QUESTION 3 Examine the images of the normal human male and female karyotypes. How many total chromatids are present in each karyotype? Note: Type your answer as a number, NOT the word for the number. 92

Answer 1

1.46,Normal human male consists of 46 chromosomes in the karyotype.Karyotype is a pictorial representation of a person's chromosomes.For getting the picture of chromosomes will be isolated and stained ,it can be viewed through a microscope.For male it is written as 46,XY. XY means two sex chromosomes

2.46, Number of chromosomes present in normal female is also same ,that is 46.Female karyotype is written as 46,XY, XX are the sex chromosomes in females.

3.92, For humans 92 chromatids are present.Chromatid means the two thread like strands of chromosome,which divides longitudinally during cell division and each of them contains a double helix DNA.