Prac_Midterm_1_BLANK

Prac_Midterm_1_BLANK - Life Sciences 4 Discussion Section...

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

View Full Document Right Arrow Icon
Life Sciences 4: Discussion Section Midterm I Practice Questions 1. The following chart shows the results of crosses between plants that had either blue (C) or white (c) flowers and either round (S) or pointed (s) leaves. Indicate the genotype of the parents in each cross. Parents Offspring blue/round white/round blue/pointed white/pointed _______ ______ a. blue round x blue round 59 19 22 6 _______ ______ b. blue round x blue pointed 40 16 0 0 _______ ______ c. blue round x white pointed 38 0 42 0 _______ ______ e. white round x white round 0 35 0 11 2. If a couple that are both known to be heterozygous for phenylketonuria (a recessive condition) have three children, what is the probability of having the following combinations among the three offspring? a) All three affected? b) Two unaffected and one affected? 3. Pure breeding strain crosses of black x agouti mice give all agouti progeny. Black x cinnamon give all cinnamon progeny. A cross of agouti F1 x cinnamon F1 fro the above crosses give 50 agouti, 25
Background image of page 1

Info iconThis 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 ]}

Page1 / 5

Prac_Midterm_1_BLANK - Life Sciences 4 Discussion Section...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online