There's 39 chromosomes in the sperm cell. Why? Because sperm cells are gametes and therefore they are haploid cells meaning they have half the number of chromosomes of a regular cell or diploid cell.
78 / 2 = 39
If multiple researches obtained the same result, it means that the test is highly repeatable ! Highly repeatable results are always very welcomes, because people believe that they have a high validity and high credibility.
So the correct answer is:
<span>a) Discoveries are more credible when they are independently verified</span>
The first couple had two children: a healthy boy and girl.
5 people have the disorder(2 women and 3 men)
Answer:
Explanation:
# Boys are four times more likely to be diagnosed with autism than girls.
# Most children were still being diagnosed after age 4, though autism can be reliably diagnosed as early as age 2.
# 31% of children with ASD have an intellectual disability (intelligence quotient [IQ] <70), 25% are in the borderline range (IQ 71–85), and 44% have IQ scores in the average to above average range (i.e., IQ >85).
# Autism affects all ethnic and socioeconomic groups.
# Minority groups tend to be diagnosed later and less often.
# Early intervention affords the best opportunity to support healthy development and deliver benefits across the lifespan.
# There is no medical detection for autism.