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Marat540 [252]
3 years ago
15

PLZ HELP

Biology
2 answers:
Fantom [35]3 years ago
7 0

Answer:

The correct answer is option "C"

Explanation:

Since 2005, the vaccine has also been available as part of a combination vaccine called MMRV

ki77a [65]3 years ago
7 0

Answer: C. MMR

Explanation: This vaccine also protects against other diseases such as varicella.

\textit{\textbf{Spymore}}​​​​​​

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A man with normal vision marries a color-blind woman. Red-green color blindness is an X- linked recessive disorder. They have a
jeyben [28]

Answer: The probability is 100%.

Explanation: The chromosome X is related to gender. A man carries two different chromosomes (XY) and a woman carries two similar chromosomes (XX). The offspring of a couple will inherited:

  • If it is a boy, he inherites the chromosome Y from his father and X from his mother;
  • If it a girl, she inherites X from her father and X from her mother;

In the question, the woman is color-blind, which means she carries the recessive alleles: X^{d}X^{d}

The man, on the other hand, is normal, so his X-linked genotype will be: X^{D}Y.

Now, since they have a daughter, she inherited her double X from each of her parents, which means she inherited one X^{d} from her mother and one X^{D} from her father.

So, the daughter's genotype can only be heterozygotic  X^{D}X^{d} in other words, the probability is 100%.

5 0
3 years ago
Describe the events that occur during meiosis that are defined by Mendel's laws of segregation and independent assortment. Expla
zysi [14]

Answer:

Mendel's Laws are a set of basic rules on the inheritance of characteristics from parent organisms to their children. They are considered rules rather than laws, since they are not fulfilled in all cases. Mendel's first Law of equitable segregation establishes that during the formation of the gametes each allele of a pair is separated from the other member to determine the genetic constitution of the filial gamete, the two alleles, which code for each characteristic, are segregated during the production of gametes through meiotic cell division. This means that each gamete will contain only one allele for each gene. This allows the maternal and paternal alleles to combine in the offspring, ensuring genetic variation. For each characteristic, an organism inherits two alleles, one for each relative. This means that in somatic cells, one allele comes from the mother and one from the father.

Explanation:

Mendel's laws reflect chromosomal behavior during meiosis: the first law responds to the random migration of homologous chromosomes to opposite poles during anaphase I of meiosis (both alleles and homologous chromosomes segregate equally or 1: 1 in gametes) and the second law, to the random alignment of each pair of homologous chromosomes during metaphase I of meiosis (whereby different genes and different pairs of homologous chromosomes segregate independently).Even though not all genes are inherited in the proportions described by Mendel, they are undoubtedly all inherited in the same way, that is, the alleles or different alternatives of a gene are separated in meiosis and each gamete will carry only 1 of them (2nd Mendel's Law) and in turn all genes on different pairs of chromosomes are transmitted independently. This allows the maternal and paternal alleles to combine in the offspring, ensuring genetic variation.Therefore, of each possible genotype for a two three or more genotypes it is possible to know how many gametes it will form, in what proportions and therefore predict results of crosses.

8 0
3 years ago
When assessing a pregnant female, the nurse documents gravida 3, para 2 regarding obstetrical history in the health record. whic
Bingel [31]
Gravida <span><span>indicates the number of times that a woman has been pregnant including present pregnancies. If a pregnancy if of several babies (like twins) it still counts only as one pregnancy. All pregnancies count regardless of the ultimate outcome, whether the child was born or not. Gravida 3 would indicate that the woman being assessed had been pregnant two times and the present pregnancy was the third time.
</span><span>Para (parity) indicates the number of pregnancies of a woman that reached the birth or a stillbirth time. The number of babies involved on one pregnancy counts only as one parity if it comes to birth or </span></span>a stillbirth time - twins would count as one parity. Para 2 would then indicate that the woman had reached the v<span>iable gestational age in her previous two pregnancies.</span>
7 0
3 years ago
DNA mutations can lead to genetic disorders, diseases, or even the death of an organism. Which of the following factors is most
fomenos

Answer:

radiation because a few examples 1 cause if you were to take rads head on you would get a mutation 2 look at most of fallouts enemies

8 0
3 years ago
Which term names a solid that forms when two liquids are mixed together
Art [367]
A chemical change or it also can be named a chemical reaction
4 0
3 years ago
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