Segregation
23 from each parent
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.
Each parent must have the recessive allele for colorblindness.
monkey balls
All of the offspring will be red, since each of the four offspring receive the dominant red allele (R). Therefore, the offspring will all have the genotype Rr and a phenotype of red.
23 from each parent
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.
50% from each parent: one allele in each gene, each parent, for a total of two.
one allele from each parentThe F1 generation inherited one dominant (tall) allele from the tall parent and a recessive (short) allele from the short parent. The F1 generation were heterozygous and tall.
did
Yes. Both parents have an A allele and a B allele. Each parent can only pass on one of his/her two alleles. If each parent passes an A allele to the child, then the child will have group A blood. If at least one parent passes on an Rh positive allele to the child, then the child would also be type Rh positive. So these two parents could have an A positive child.
Each parent must have the recessive allele for colorblindness.
homozygous recessive
Segregation
These are principles which Gregor Mendel discovered when he carried out his experiments on inheritance in pea plants. Mendel discovered that each character eg height of the plant, is controlled by two genes (which he called 'factors'), one from each parent. The Law of Segregation states that when gametes (sex cells: eggs and sperm) are produced, the two genes in each pair separate (segregate) and go to different cells. This means that eggs and sperm end up with only one copy of each gene, instead of a pair of genes. Mendel also discovered that genes occurred in alternative versions which we call alleles eg the height gene can be the tall allele or the short allele. If an individual plant inherits one tall allele and one short allele, the tall allele 'hides' the short allele and the plant is tall. The tall allele is called the dominant allele. Dominant alleles only need to be inherited from one parent to produce an effect. The short allele is called the recessive allele. A recessive allele must be inherited from both parents in order to produce an effect.
For a recessive allele to produce a recessive phenotype, the individual must have two copies, one from each parent. An individual with one dominant and one recessive allele for a gene will have the dominant phenotype.
Recessive?? (i.e., you would need to inherit one from each parent to have hemophilia)