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How do you use a punnut square?
A Punnett square is used to predict the genetic outcomes of a cross between two organisms. To use it, draw a grid with one parent's alleles along the top and the other parent's alleles along the side. Fill in the squares by combining the corresponding alleles from each parent. This will show the possible genotypes of the offspring and their expected ratios.
What is the probability that an offspring from the cross above has each of the following genotypes ( BBBbbb)?
To determine the probability of an offspring having the genotype BBBbbb from a specific cross, we need to know the genotypes of the parents involved in the cross. If we assume one parent is homozygous dominant (BBB) and the other is heterozygous (Bb), the resulting offspring will have a probability of 50% for BBB and 50% for Bb, leading to a combined probability of 0% for BBBbbb, as it requires one of each type of allele that cannot be obtained from these parents. Please provide the parental genotypes for a more accurate calculation.
What if a homozygous black guinea pig BB is crossed with homozygous white pig b what is the probability that an offspring will have lack fur?
If a homozygous black guinea pig (BB) is crossed with a homozygous white guinea pig (bb), all offspring will inherit one black allele (B) from the black parent and one white allele (b) from the white parent, resulting in heterozygous offspring (Bb). Since black fur is dominant over white fur, all offspring will have black fur. Therefore, the probability of an offspring having black fur is 100%.
What shows all of the possible outcomes of a genetic cross?
A Punnett square shows all of the possible outcomes of a genetic cross. It is a grid that illustrates the combinations of alleles from each parent, allowing for the prediction of offspring genotypes and phenotypes. By filling in the squares with the potential allele combinations, one can visualize the likelihood of each outcome resulting from the cross.
How do traits get inherited?
Through genetics, you have two alleles(different versions for a gene) for each gene, one from each parent
Each parent gives one set of what to the offspring?
chromosomes.
Each parent gives one set of these the offspring?
genes
What proportion of each parent plant's genetic material does each offspring plant have?
Each offspring plant receives 50% of its genetic material from each parent plant. This is because offspring inherit one set of chromosomes from each parent during sexual reproduction.
What percent of each alleles does each parent contribute to their offspring?
50% from each parent: one allele in each gene, each parent, for a total of two.
Each parent gives one allele for each?
an allele refers to alternative form of a gen.each parent has his or her form of a gene.during mitosis,during anaphase,as the chromosomes separate,each cell end up with one chromatid and thus one kind of allele.therefore,each parent do donate one allele.
How many genes does an offspring receive from each parent for a trait?
An offspring typically receives one copy of a gene for a trait from each parent, resulting in two copies of the gene in total. This is known as Mendelian inheritance, where an offspring inherits one allele from the mother and one allele from the father for a specific trait.
Describe one way which the plantain can reproduce?
Some protists also can reproduce in pairs. Each member of the pair gives some hereditary material to the offspring. The ofspring are different from either parent. Hereditary refers to properties that are passed from parent to offspring.
How many variants of a gene can an offspring have?
One from each parent
Are all genes passed on from each parent to each child?
Only half of each parent's alleles are passed to their children. This means that parent 1 who is Aa at one gene locus will only pass A or a on to each offspring. Parent 2 may be AA, aa or Aa and will also only pass one allele on to each offspring.
How many chromosomes does each offspring have?
4 because the parent cell has four chromosomes arranged in 2 pairs. Each offspring has 4 chromosomes, one pair from each parent.
How many alleles do parents contribute to their offspring during reproduction?
Parents each contribute one allele for each gene to their offspring during reproduction. This means that offspring inherit two alleles for each gene, one from each parent.
How are the 2 forms of a gene distributed to the offspring?
The two forms of a gene, one from each parent, are distributed to offspring during meiosis when sex cells are formed. Each parent contributes one allele of a gene to the offspring, determining the genetic make-up and traits of the offspring.
