The Punnett Square Rap DJ Jazzy C. The Punnett Square Rap DJ Jazzy C.

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Presentation transcript:

The Punnett Square Rap DJ Jazzy C

The Punnett Square Rap Pick out a letter for the dominant trait. Spell out the cross for the two that mate. Set up the square- your four-box tool. Drop and drag til each box is full. List the genotypes- the letter pairs you filled. Give the phenotypes- the traits they build. Now do the math- the ratios and fractions. Answer the question. That’s the last action.

1. Pick out a letter for the dominant trait. Mendel crossed two heterozygous purple flowered pea plants. What percent of offspring are white flowered?

1. Pick out a letter for the dominant trait. Mendel crossed two heterozygous purple flowered pea plants. What percent of offspring are white flowered? P for Purple p for White

2. Spell out the cross for the two that mate. Mendel crossed two heterozygous purple flowered pea plants. What percent of offspring are white flowered? P for Purple p for White Pp x Pp

Pick out a letter for the dominant trait. Spell out the cross for the two that mate.

3. Set up the square- your four-box tool. Pp x Pp

3. Set up the square- your four-box tool. Pp x Pp

3. Set up the square- your four-box tool. Pp x Pp P p

4. Drag and drop til each box is full. Pp x Pp P P DROP! DRAG! p p

Set up the square- your four-box tool. Drop and drag til each box is full.

Pick out a letter for the dominant trait. Spell out the cross for the two that mate. Set up the square- your four-box tool. Drop and drag til each box is full.

5. List the genotypes- the letter pairs you filled. PP Pp p Pp pp

5. List the genotypes- the letter pairs you filled. PP Pp pp P PP Pp p Pp pp

6. Give the phenotypes- the traits they build. PP Pp pp = Purple = White P PP Pp p Pp pp Mendel crossed two heterozygous purple flowered pea plants. What percent of offspring are white flowered?

7. Now do the math- the ratios and fractions. p P PP Pp pp = Purple = White = 1/4 (25%) P PP Pp = 2/4 (50%) = 1/4 (25%) p Pp pp Purple = 75% chance White = 25% chance

8. Answer the question. That’s the last action. PP Pp pp = Purple = White = 1/4 (25%) Mendel crossed two heterozygous purple flowered pea plants. What percent of offspring are white flowered? = 2/4 (50%) = 1/4 (25%) Purple = 75% chance White = 25% chance

8. Answer the question. That’s the last action. PP Pp pp = Purple = White = 1/4 (25%) Mendel crossed two heterozygous purple flowered pea plants. What percent of offspring are white flowered? = 2/4 (50%) = 1/4 (25%) 25% Purple = 75% chance White = 25% chance

The Punnett Square Rap Pick out a letter for the dominant trait. Spell out the cross for the two that mate. Set up the square- your four-box tool. Drop and drag til each box is full. List the genotypes- the letter pairs you filled. Give the phenotypes- the traits they build. Now do the math- the ratios and fractions. Answer the question. That’s the last action.