For sickle-cell diease, assume S is the dominant allel and s the recessive allele. Which genotypes are possible for offspring of a carrier (Ss) and a person who lacks the sickle-cell allele (SS) ?

What's a substance that is used in genetic engineering

An article that is undergoing (blank) is read carefully and checked by other scientists

Down syndrome is an example of trisomy. How many chromosomes will each cell of an individual have in Down syndrome? 46 chromosomes 47 chromosomes 45 chromosomes

Which of the following statements are true? Gene flow and genetic drift are random Gene flow, genetic drift, and natural selection are random Gene flow and genetic drift are nonrandom Gene flow, genetic drift, and natural selection are random Gene

Which source causes the skin to warm up when a person stands in the sunlight on a hot summer day UV light microwaves radio waves infrared light

Which organism's are omnivores? A) The snake, the bear, and the fish B) The fish and the eagle C) The bear and the fish D) The snake and the mouse If an omnivore is an animal that eats both plants and animals, I'd choose D because all the other

How are all humans similar?

Why does earth have such a diversity of plant and animal life? give three reasons.

After sequencing a molecule of dna, you discover that 20% of the bases are cytosine. what percentage of the bases would you expect to be thymine? explain why.

Kidneys that can conserve water are essential to homeostasis because: a) some animals live in dry or salty environments. b) some animals drink water.