Which of the following could be used to produce seedless watermelons? A) cross between two 2n watermelons B) cross between a 6n and a 4n watermelon C) cross between a 2n and a 3n watermelon D) cross between two 3n watermelons E) mitotic nondisjunction in a 4n watermelon

An otto hemp variety with the genotype RRbb is crossed with a Kush hemp  variety rrBb (Given that RR is homozygous resistance to mildew, BB is homozygous large buds). What percent of fraction of the offsprings would have large buds and resistant to mildew? A)50% B)25% C)0% D)75%

If the clearance of a solute is less than its filtered load__________. Group of answer choices must choose one answer the substance must have been secreted in the renal tubules the substance can give an estimate of plasma flow rate the substance must have been reabsorbed in the renal tubules the amount of the cleared substance will give an exact glomerular filtration rate (GFR)

From the fungal cross arg-6 ⋅ al-2 × arg-6+ ⋅ al-2+, whatwill the spore genotypes be in unordered tetrads thatare (a) parental ditypes? (b) tetratypes? (c) nonparental ditypes?