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A plant can have either broad leaves (B) or narrow leaves (b). What cross is represented by the Punnett square shown below?
BB. Bb Bb. bb
What does a punett square show?
The chance of a particular trait being inherited. For each trait there are several alleles, some are dominant and others recessive, for example brown eyes are dominant over blue. The recessive phenotype can only have a genotype with both recessive alleles eg. bb The dominant phenotype can have a genotype with both dominant alleles eg. BB or one of each eg. Bb A punnet square shows the likelihood of a phenotype being inherited from given genotypes, alleles etc... BB and Bb makes BB BB Bb Bb All offspring will have the dominant phenotype (BB or Bb) eg. brown eyes Bb and Bb makes BB Bb Bb bb One in four of the offspring will have the recessive phenotype (bb) eg. blue eyes
What are the possible genotypes of a person with a type B blood?
BB or BO
Can people without the blue eye gene have blue eyed children?
There are two types of genes that brown eyed people can have. There is BB, and Bb. The blue eyed gene is bb. If two people are Bb, and they have a child, if the child receives the two bb from each person, then they will have blue eyes.
What are the alleles for dominant brown eyes?
Brown eye gene = B Blue eye gene = b Each person has two copies of the eye color gene in their genome, one inherited from each parent. Now if both parents only carry the gene for brown eyes, BB and BB, then their child will receive one B from each parent, ending up as BB. The same works for blue eyes, if that's the only gene both parents carry, bb and bb. Each parents gives on b to the child, who ends up as bb. If you have one parent who only has the gene for brown eyes, BB, and one parent who only has the gene for blue eyes, bb, then all the children will have brown eyes. Example: One parent gives a B, the other gives a b. Bb = brown eyes. Here's why: When you have two alleles (coding sequences) from genes that are at odds with each other, one version will override the the other. When dealing with eye color, B always dominates b. But these children now carry the b gene in them, and could pass it down to their own children. Some of them, depending on the other parent, could end up with blue eyes. If one parent is Bb, and the other is bb, then each time they have a child, there is a 50% chance it will have blue eyes. Example: First parent is Bb, second parent is bb, then their children will end up as either Bb, bb, Bb, bb. If both parents carry the genes for brown eyes and blue eyes, then each time they have a child, there is a 25% chance it will have blue eyes. Example: First parent is Bb, second parent is Bb, then their children will end up as either BB, Bb, Bb, bb.
What to do if you SWALLOW a lead bb pellet?
You will most likely just pass it.
What happens to chmemicals after bb?
They burn
What happens if you swallow dried super glue?
Nothing happens
What happens if you swallow glue?
You Die
What happens if you swallow Clorox?
you die
What happens if you swallow Ajax?
you die...
What happens if you swallow a quarter?
pain
What happens if you swallow lye?
You can get chemical burns along your throat and stomach if you swallow lye.
What happens if a bb from a bb gun enters my leg?
It hurts. ----------------------- Get medical attention right away.
What happens if you swallow soap?
You burp bubbles
What happens when you swallow Jojoba Oil?
It depends on how much you swallow. If it is a large amount, you could get diarrhea and/or vomit.
What happens when you swallow mold?
Mold grows in your tummy
