00:01
In this question, we are going to draw a pedigree chart to show the inheritance of genes for a beard.
00:08
So we use squares for males, circles for females.
00:12
A horizontal line connecting them shows a marriage.
00:15
And shading in the shape indicates that the person carries the gene.
00:24
All right, so our author states that he and his wife have three daughters.
00:34
So, i'm going to put the youngest daughter here.
00:41
We need to make, actually, you know, let's let's do this a little more properly.
00:45
So, here's the line that shows descent.
00:49
We then will have a horizontal line with other vertical drops coming off of it to represent present the three daughters.
00:58
So over here we will have the eldest actually do a little bit half so i can put her circle inside one of the boxes on my grid.
01:12
And then we will have the middle child.
01:21
I can give a little more space than that i guess.
01:26
Or i could put put right underneath even.
01:30
All right.
01:31
And then we have, so let's put the eldest over here.
01:39
I did what five and a half blocks...