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Hemophilia is a sex-linked genetic disease that is recessive. A mother is healthy and is a CARRIER (heterozygous) for the trait. A father is healthy as well. Using the info below explain how they could have a child with Hemophilia. What would the gender of the child be?

Mom: XHXh. Dad: XH Y

Twin boys have girlfriends one of the couples have a baby would the dna of the lil baby be the same as the couples dna bc the boys are identical twins

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.

What is the statement plant growth is affected by the color light