4. Jenny crosses 2 hybrid pea plants. What is the probability that the offspring will be short? Draw a punnett square below to solve this problem
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Ms.Sue
To determine the probability of the offspring being short, we need to understand the genetics of the parents and use a Punnett square. In this case, since both parents are hybrid plants, we need to determine their genetic makeup.
Let's assume that the dominant allele for tallness (T) and the recessive allele for shortness (t). This means that a hybrid plant (cross between a tall and short) has the genotype Tt, where T represents the dominant allele for tall and t represents the recessive allele for short.
Now, let's construct the Punnett square with the genotype of each parent.
Parent 1: Tt
Parent 2: Tt
To create the Punnett square, we need to pair each allele from one parent with each allele from the other parent.
T t
T TT Tt
T Tt tt
The Punnett square shows us the possible combinations of alleles resulting from the cross. Now, we can determine the probability of getting a short (tt) offspring.
Out of the four possible combinations in the Punnett square, two have a tt genotype. So the probability of the offspring being short is 2/4 or 1/2, which means there is a 50% chance of the offspring being short.
Note: It's important to remember that this Punnett square assumes Mendelian inheritance patterns and does not account for other factors such as environmental influences or other genetic interactions.
You should find information here that will help you.
http://www.google.com/#q=punnett+square