I would say it's A because the others don't make sense and if they were curved they wouldn't get as much sun
Answer:
Explanation:
The Genotype of the woman is XCbXN
The man XNY
Since the allele for the color blindness is carried on one of the X -chromosomes of the carrier mother, then the male children will be color blind or carrier deopending on the defective gene they inherited. Since they will receive the defective or normal allele from the mothers,but the female will carriers or normal because they will inherit either defective allele or normal allele from the mother,but normal X allele from the father.
Assuming the colorbind gene was inherited by One of the boys, and the girls take the defective genes
1. XNY vs XCbXN.Then the one of the boys will be colorblind and the one of girls will be carriers. XNXCb, XNXN, XCbY,XNY 50 %
2.If the two boys take the effective genes from the mothers. and none of the girls take the defective alelle
Then the two boys will be colorblind and the girls will be carrries XcbY,XcbY and XNXN XNXN.(normal girls).
The proportions that will be the females since the girls can only take the defective allele from one of the normal and defective allele from the mother. Assuming the girls take the defective allele from the mothers and take normal from the father,they will all be carriers,since the X of the father is normal.
They can not have a color blind girl.Since the father is normal It takes two colorblind X-chromosome to give a girl.
The answer is c hope this helped
Answer:
C) presence of hazardous radioactive materials
Explanation:
<u>radioactive- emitting or relating to the emission of ionizing radiation or particles.</u>
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Meosis results into genetic variability through:
Fertilization, cross-over and independent assortment.
- In Fertilization, the process leds to genetic diversity by allowing each parent to contribute to a specific set of genes to a zygote.This process depends on meiosis to create a haploid gametes where fertilized cells restore a diploid number.
- Crossing over occurs in the prophase stage of the meiosis 1 where a double chromatid homologous pairs of chromosomes exchange chromosome segments as they cross over each other.This makes genes from each parent to mix and result into a different genetic composition.
- Chromatid assortment happens in meosis 11 where sister chromatids separate and move to the daughter cells.The crossover that occursin meosis 1 results to non-identical chromatids in meosis 11 chromosome.