RR × rr
|
Gametes |
R |
R |
|
r |
Rr |
Rr |
|
r |
Rr |
Rr |
Rr × Rr
|
Gametes |
R |
r |
|
R |
RR |
Rr |
|
r |
Rr |
r |
Genotypic ration 1RR:2Rr:1rr
RrPp × RrPp
|
Gametes |
RP |
rP |
Rp |
rp |
|
RP |
RRPP |
RrPP |
RRPp |
RrPp |
|
rP |
RrPP |
rrPP |
RrPp |
rrPp |
|
Rp |
RRPp |
RrPp |
RRpp |
Rrpp |
|
rp |
RrPp |
rrPp |
Rrpp |
rrpp |
Genotypic ration- 1RRPP: 2RrPP: 2RRPp:1 rrPP: 4 RrPp: 1RRpp: 2rrPp: 2Rrpp:1rrpp
What are the outcomes of crossing RR × rr, Rr × Rr, and RrPp × RrPp...
2. If you are a Tongue Roller (RR or Rr, i.e. R-), what is your genotype if your father is a non-roller? Justify your answer with a Punnett square. 3. Is the dominant phenotype always the most common in a population? Does the class survey of the human traits support your answer? Explain. 4. What is the probability that your father and mother's grandchildren (your children) will have attached ear lobes and middle digit hair (eeD-) if: (probability) Your father...
You are crossing a double heterozygous female fish with a blue male who carries for white with short dorsal fin. Blue scales is dominant to white and tall fin is dominant to short. List the alleles for each trait. What is the genotype of each parent? Perform a punnett square of the cross and copy and paste a pic of the square. What is the phenotypic ratio of the cross?
What does it generally mean when you have a RR=1, RR<1or a RR>1 • If you are confused look at the hormone replacement therapy abstracts. What did Grodstein et al. conclude and was their RR equal to, less than or greater than 1? What did the Women’s Health Initiative (WHI) study find? What did their respective RR represent? (We will cover these studies on 9/17 and 9/19 but the RR is from the epidemiology section) Who is the unit of...
What is the minimum number of crossing over events needed for each of the following events to occur (assuming that each event takes place via crossing over, instead of other alternative mechanisms). A Robertsonian translocation [Select] The creation of a merodiploid bacterial cell (using an Ft cell and an F cell). [Select] A change in a bacterial chromosome's genotype, via transformation. [Select] A chromosomal mutation that causes a human brain cell to produce lactase enzyme. [Select]
2. The lubber grasshopper is a very large grasshopper, and is black with red and yellow stripes. Assume that red stripes are expressed from the homozygous RR genotype, yellow stripes from the homozygous rr genotype, and both from the heterozygous genotype. A. If two heterozygous grasshoppers were crossed, what would be the genotypic ratio of the F1 generation (RR:Rr:rr)? Fill in the Punnett square. B. What genotypes would be produced by crossing a grasshopper with both color stripes and one...
Punnett squares can be used to predict the two possible outcomes of the botanist's test cross the funnet square on the left shows the predicted result if the unknown plant is homozygous (On the Punnet square on the night shows the predicted result the unknown plant is heterozygous (9) Drag the labels to the correct locations on the Punnett squares, Gis the symbol for the green pod allele and is the symbol for the yellow.pod allele. You can use a...
A trihybrid (Aa, Bb, Rr) is test crossed and produces the following numbers of offspring with the indicated genotypes: Aa, bb, rr 50 Aa, bb, Rr 150 aa, Bb, rr 150 aa, Bb, Rr 50 For the trihybrid parent, draw the chromosome(s) of a single cell of meiosis where crossing-over has NOT occurred between any of the loci. Mark each chromatid for each locus and the allele that it carries.
Use the Table below to diagram out the Punnett Square for this cross. Punnett Square The male genotype is XY bb Ee dd rr Tt. Write in the types of sperm in the row DIRECTLY BELOW that they could produce. The female genotype is: XX nn BB ee Dd Rr tt Write in the types of eggs in the column BELOW that they could produce.
3. Rr is an example of a d answer the questions for each Punnett square Complete the following monohybrid crosses: and answer the question A green pea plant (GG) is crossed with a yellow pea plant (88). Show your 4. What percentage of the offspring will have a green phenotype? 5. What percentage of the offspring will have a yellow phenotype? 6. What percentage will have a heterozygous genotype? 7. What percentage will have a homozygous genotype? A tall plant...
Use the Table below to diagram out the Punnett Square for this cross. Punnett Square The male genotype is XY b&eb&E dd rr Tt. Write in the types of sperm in the row DIRECTLY BELOW that they could produce. The female genotype is: XX n B&eB&e Dd Rr tt Write in the types of eggs in the column BELOW that they could produce.