{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

genetics%20problems

genetics%20problems - a geneticist studying a new plant...

Info icon This preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Sheep Oval and blue are dominant Genotypes parents bbOO and Bboo Gametes bO and Bo F1 BbOo all oval blue BO Bo bO bo X BO Bo bO bo 9 B_O_ oval blue 3 bbO_ oval red 3 B_ oo round blue 1 bboo round red chi –squre total plants = 560 X 9/16= 315 expected 560 X 3/16= 105 expected 560 X 1/16=35 expected (323-315) 2 /315 +(113-105) 2 /105 +(98-105) 2 /105+(26-35) 2 /35= .20 + .61 + .47 + 2.3= 3.58 DF= 4-1=3 .1<p<.5 therefore data supports the idea of independent assortment of these two traits; differences are due to chance a geneticist studying a new plant species. You have found that some of the plants produce red flowers and some blue flowers. Also, you notice that some of the plants produce round and some oval leaves. After crossing two pure-breeding plants ( a red-flowering plant with aves and a blue-flowering plant with round leaves ), you self-pollinate the F 1 generation and observe the following results in the F 2 generation: CLARIFY WHAT SYMBOLS YOUÕRE Offspring: USING (what stands for what): Round leaves, blue flowers: 113 plants Round leaves, red flowers: 26 plants Oval leaves, blue flowers: 323 plants Oval leaves, red flowers: 98 plants a. Which two traits are dominant?
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}