A number of plant species have a recessive allele for albinism; homozygous albino (white) individuals are unable to synthesize chlorophyll. If a tobacco plant heterozygous for albinism is allowed to self-pollinate and 500 seeds germinate: a)how many offspring will be the same genotype as the parent? b)how many seedlings would you expect to be white?

6011

What is the chemical composition of gene?

2172

our hair comes from our mother's father.Is it true or not?

2114

In cucumbers normal leaves (N) are dominant to curled leaves (n) and elongated fruit (L) is dominant to spherical fruit and these genes are linked on the same chromosome. If a pure-breeding normal-leaved, elongated fruit cucumber is crossed with a curled-leaved, spherical fruit cucumber, what will be the phenotype of the F1? the phenotypic ratio of the F2?

2192

Explain steps involved in transcription?

956

What are the 8 steps that are involved in genetic engineering?

3922

how was school like for someone with turner's syndrome?

2106

Cystic fibrosis (CF) occurs with a frequency of about 1/2500 Caucasian newborns and is inherited as an autosomal recessive. A woman had an older sister die from complications of this disease. CF is not present among relatives of her husband. Both the woman and her husband have normal phenotypes. What is the chance this couple will have a CF child?

2223

What are the down sides of Genetic Engineering?

1955

Why do we age?

2260

Has vitamin c been produced in a human naturally before?

2071

Are there alternatives to Genetic Engineering?

2440

A single base exchange mutation occurs in the promoter of the TRP operon. How the operation of the HIS operon might be affected in two ways?

2305

Does a person diagnosed with turner syndrome have trouble hearing? please reply if you have this syndrome or know someone who does.

2658

How DNA is being Transplanted?

2149